Synchronize new proto/yaml changes.

PiperOrigin-RevId: 224174014

338 files changed, 26631 insertions, 0 deletions

diff --git a/google/ads/googleads/base.yaml b/google/ads/googleads/base.yaml
new file mode 100644
index 000000000..a18b0c0df
--- /dev/null
+++ b/google/ads/googleads/base.yaml
@@ -0,0 +1,276 @@
+type: google.api.Service
+config_version: 3
+name: googleads.googleapis.com
+title: Google Ads API
+
+apis:
+- name: google.ads.googleads.v0.services.AccountBudgetProposalService
+- name: google.ads.googleads.v0.services.AccountBudgetService
+- name: google.ads.googleads.v0.services.AdGroupAdService
+- name: google.ads.googleads.v0.services.AdGroupAudienceViewService
+- name: google.ads.googleads.v0.services.AdGroupBidModifierService
+- name: google.ads.googleads.v0.services.AdGroupCriterionService
+- name: google.ads.googleads.v0.services.AdGroupFeedService
+- name: google.ads.googleads.v0.services.AdGroupService
+- name: google.ads.googleads.v0.services.AgeRangeViewService
+- name: google.ads.googleads.v0.services.BiddingStrategyService
+- name: google.ads.googleads.v0.services.BillingSetupService
+- name: google.ads.googleads.v0.services.CampaignAudienceViewService
+- name: google.ads.googleads.v0.services.CampaignBidModifierService
+- name: google.ads.googleads.v0.services.CampaignBudgetService
+- name: google.ads.googleads.v0.services.CampaignCriterionService
+- name: google.ads.googleads.v0.services.CampaignFeedService
+- name: google.ads.googleads.v0.services.CampaignGroupService
+- name: google.ads.googleads.v0.services.CampaignService
+- name: google.ads.googleads.v0.services.CampaignSharedSetService
+- name: google.ads.googleads.v0.services.CarrierConstantService
+- name: google.ads.googleads.v0.services.ChangeStatusService
+- name: google.ads.googleads.v0.services.ConversionActionService
+- name: google.ads.googleads.v0.services.CustomerClientLinkService
+- name: google.ads.googleads.v0.services.CustomerClientService
+- name: google.ads.googleads.v0.services.CustomerFeedService
+- name: google.ads.googleads.v0.services.CustomerManagerLinkService
+- name: google.ads.googleads.v0.services.CustomerService
+- name: google.ads.googleads.v0.services.DisplayKeywordViewService
+- name: google.ads.googleads.v0.services.FeedItemService
+- name: google.ads.googleads.v0.services.FeedMappingService
+- name: google.ads.googleads.v0.services.FeedService
+- name: google.ads.googleads.v0.services.GenderViewService
+- name: google.ads.googleads.v0.services.GeoTargetConstantService
+- name: google.ads.googleads.v0.services.GoogleAdsFieldService
+- name: google.ads.googleads.v0.services.SharedCriterionService
+- name: google.ads.googleads.v0.services.SharedSetService
+- name: google.ads.googleads.v0.services.UserListService
+- name: google.ads.googleads.v0.services.GoogleAdsService
+- name: google.ads.googleads.v0.services.HotelGroupViewService
+- name: google.ads.googleads.v0.services.HotelPerformanceViewService
+- name: google.ads.googleads.v0.services.KeywordPlanAdGroupService
+- name: google.ads.googleads.v0.services.KeywordPlanCampaignService
+- name: google.ads.googleads.v0.services.KeywordPlanIdeaService
+- name: google.ads.googleads.v0.services.KeywordPlanKeywordService
+- name: google.ads.googleads.v0.services.KeywordPlanNegativeKeywordService
+- name: google.ads.googleads.v0.services.KeywordPlanService
+- name: google.ads.googleads.v0.services.KeywordViewService
+- name: google.ads.googleads.v0.services.LanguageConstantService
+- name: google.ads.googleads.v0.services.ManagedPlacementViewService
+- name: google.ads.googleads.v0.services.MediaFileService
+- name: google.ads.googleads.v0.services.ParentalStatusViewService
+- name: google.ads.googleads.v0.services.PaymentsAccountService
+- name: google.ads.googleads.v0.services.ProductGroupViewService
+- name: google.ads.googleads.v0.services.RecommendationService
+- name: google.ads.googleads.v0.services.SearchTermViewService
+- name: google.ads.googleads.v0.services.TopicConstantService
+- name: google.ads.googleads.v0.services.TopicViewService
+- name: google.ads.googleads.v0.services.UserInterestService
+- name: google.ads.googleads.v0.services.VideoService
+
+types:
+- name: google.ads.googleads.v0.errors.GoogleAdsFailure
+
+documentation:
+  summary: |-
+    Manage your AdWords accounts, campaigns, and reports with this REST-based
+    API.
+  overview: |-
+    # This warning always fires when the last path segment of packages is not
+
+    # the version
+
+backend:
+  rules:
+  - selector: google.ads.googleads.v0.services.AccountBudgetProposalService.GetAccountBudgetProposal
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AccountBudgetProposalService.MutateAccountBudgetProposal
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AccountBudgetService.GetAccountBudget
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupAdService.GetAdGroupAd
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupAdService.MutateAdGroupAds
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupAudienceViewService.GetAdGroupAudienceView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupBidModifierService.GetAdGroupBidModifier
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupBidModifierService.MutateAdGroupBidModifiers
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupCriterionService.GetAdGroupCriterion
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupCriterionService.MutateAdGroupCriteria
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupFeedService.GetAdGroupFeed
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupFeedService.MutateAdGroupFeeds
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupService.GetAdGroup
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AdGroupService.MutateAdGroups
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.AgeRangeViewService.GetAgeRangeView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.BiddingStrategyService.GetBiddingStrategy
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.BiddingStrategyService.MutateBiddingStrategies
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.BillingSetupService.GetBillingSetup
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.BillingSetupService.MutateBillingSetup
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignAudienceViewService.GetCampaignAudienceView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignBidModifierService.GetCampaignBidModifier
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignBidModifierService.MutateCampaignBidModifiers
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignBudgetService.GetCampaignBudget
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignBudgetService.MutateCampaignBudgets
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignCriterionService.GetCampaignCriterion
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignCriterionService.MutateCampaignCriteria
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignFeedService.GetCampaignFeed
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignFeedService.MutateCampaignFeeds
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignGroupService.GetCampaignGroup
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignGroupService.MutateCampaignGroups
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignService.GetCampaign
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignService.MutateCampaigns
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignSharedSetService.GetCampaignSharedSet
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CampaignSharedSetService.MutateCampaignSharedSets
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CarrierConstantService.GetCarrierConstant
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ChangeStatusService.GetChangeStatus
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ConversionActionService.GetConversionAction
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ConversionActionService.MutateConversionActions
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerClientLinkService.GetCustomerClientLink
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerClientService.GetCustomerClient
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerFeedService.GetCustomerFeed
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerFeedService.MutateCustomerFeeds
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerManagerLinkService.GetCustomerManagerLink
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerService.GetCustomer
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerService.MutateCustomer
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerService.ListAccessibleCustomers
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.CustomerService.CreateCustomerClient
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.DisplayKeywordViewService.GetDisplayKeywordView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedItemService.GetFeedItem
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedItemService.MutateFeedItems
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedMappingService.GetFeedMapping
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedMappingService.MutateFeedMappings
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedService.GetFeed
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.FeedService.MutateFeeds
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.GenderViewService.GetGenderView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.GeoTargetConstantService.GetGeoTargetConstant
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.GeoTargetConstantService.SuggestGeoTargetConstants
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.GoogleAdsFieldService.GetGoogleAdsField
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.GoogleAdsFieldService.SearchGoogleAdsFields
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.SharedCriterionService.GetSharedCriterion
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.SharedCriterionService.MutateSharedCriteria
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.SharedSetService.GetSharedSet
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.SharedSetService.MutateSharedSets
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.UserListService.GetUserList
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.UserListService.MutateUserLists
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.GoogleAdsService.Search
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.GoogleAdsService.Mutate
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.HotelGroupViewService.GetHotelGroupView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.HotelPerformanceViewService.GetHotelPerformanceView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanAdGroupService.GetKeywordPlanAdGroup
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanAdGroupService.MutateKeywordPlanAdGroups
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanCampaignService.GetKeywordPlanCampaign
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanCampaignService.MutateKeywordPlanCampaigns
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanIdeaService.GenerateKeywordIdeas
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanKeywordService.GetKeywordPlanKeyword
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanKeywordService.MutateKeywordPlanKeywords
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanNegativeKeywordService.GetKeywordPlanNegativeKeyword
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanNegativeKeywordService.MutateKeywordPlanNegativeKeywords
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanService.GetKeywordPlan
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanService.MutateKeywordPlans
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanService.GenerateForecastMetrics
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.KeywordPlanService.GenerateHistoricalMetrics
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.KeywordViewService.GetKeywordView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.LanguageConstantService.GetLanguageConstant
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ManagedPlacementViewService.GetManagedPlacementView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.MediaFileService.GetMediaFile
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.MediaFileService.MutateMediaFiles
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ParentalStatusViewService.GetParentalStatusView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.PaymentsAccountService.ListPaymentsAccounts
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.ProductGroupViewService.GetProductGroupView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.RecommendationService.GetRecommendation
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.RecommendationService.ApplyRecommendation
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.RecommendationService.DismissRecommendation
+    deadline: 600.0
+  - selector: google.ads.googleads.v0.services.SearchTermViewService.GetSearchTermView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.TopicConstantService.GetTopicConstant
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.TopicViewService.GetTopicView
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.UserInterestService.GetUserInterest
+    deadline: 60.0
+  - selector: google.ads.googleads.v0.services.VideoService.GetVideo
+    deadline: 60.0
diff --git a/google/ads/googleads/v0/common/ad_type_infos.proto b/google/ads/googleads/v0/common/ad_type_infos.proto
new file mode 100644
index 000000000..40a181629
--- /dev/null
+++ b/google/ads/googleads/v0/common/ad_type_infos.proto
@@ -0,0 +1,291 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/call_conversion_reporting_state.proto";
+import "google/ads/googleads/v0/enums/display_ad_format_setting.proto";
+import "google/ads/googleads/v0/enums/mime_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "AdTypeInfosProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file containing info messages for specific ad types.
+
+// A text ad.
+message TextAdInfo {
+  // The headline of the ad.
+  google.protobuf.StringValue headline = 1;
+
+  // The first line of the ad's description.
+  google.protobuf.StringValue description1 = 2;
+
+  // The second line of the ad's description.
+  google.protobuf.StringValue description2 = 3;
+}
+
+// An expanded text ad.
+message ExpandedTextAdInfo {
+  // The first part of the ad's headline.
+  google.protobuf.StringValue headline_part1 = 1;
+
+  // The second part of the ad's headline.
+  google.protobuf.StringValue headline_part2 = 2;
+
+  // The third part of the ad's headline.
+  google.protobuf.StringValue headline_part3 = 6;
+
+  // The description of the ad.
+  google.protobuf.StringValue description = 3;
+
+  // The second description of the ad.
+  google.protobuf.StringValue description2 = 7;
+
+  // The text that can appear alongside the ad's displayed URL.
+  google.protobuf.StringValue path1 = 4;
+
+  // Additional text that can appear alongside the ad's displayed URL.
+  google.protobuf.StringValue path2 = 5;
+}
+
+// A dynamic search ad.
+message DynamicSearchAdInfo {
+  // The first line of the ad's description.
+  google.protobuf.StringValue description1 = 1;
+
+  // The second line of the ad's description.
+  google.protobuf.StringValue description2 = 2;
+}
+
+// A responsive display ad.
+message ResponsiveDisplayAdInfo {
+  // The short version of the ad's headline.
+  google.protobuf.StringValue short_headline = 1;
+
+  // The long version of the ad's headline.
+  google.protobuf.StringValue long_headline = 2;
+
+  // The description of the ad.
+  google.protobuf.StringValue description = 3;
+
+  // The business name in the ad.
+  google.protobuf.StringValue business_name = 4;
+
+  // Advertiser's consent to allow flexible color. When true, the ad may be
+  // served with different color if necessary. When false, the ad will be served
+  // with the specified colors or a neutral color.
+  // The default value is true.
+  // Must be true if main_color and accent_color are not set.
+  google.protobuf.BoolValue allow_flexible_color = 5;
+
+  // The accent color of the ad in hexadecimal, e.g. #ffffff for white.
+  // If one of main_color and accent_color is set, the other is required as
+  // well.
+  google.protobuf.StringValue accent_color = 6;
+
+  // The main color of the ad in hexadecimal, e.g. #ffffff for white.
+  // If one of main_color and accent_color is set, the other is required as
+  // well.
+  google.protobuf.StringValue main_color = 7;
+
+  // The call-to-action text for the ad.
+  google.protobuf.StringValue call_to_action_text = 8;
+
+  // The MediaFile resource name of the logo image used in the ad.
+  google.protobuf.StringValue logo_image = 9;
+
+  // The MediaFile resource name of the square logo image used in the ad.
+  google.protobuf.StringValue square_logo_image = 10;
+
+  // The MediaFile resource name of the marketing image used in the ad.
+  google.protobuf.StringValue marketing_image = 11;
+
+  // The MediaFile resource name of the square marketing image used in the ad.
+  google.protobuf.StringValue square_marketing_image = 12;
+
+  // Specifies which format the ad will be served in. Default is ALL_FORMATS.
+  google.ads.googleads.v0.enums.DisplayAdFormatSettingEnum.DisplayAdFormatSetting format_setting = 13;
+
+  // Prefix before price. E.g. 'as low as'.
+  google.protobuf.StringValue price_prefix = 14;
+
+  // Promotion text used for dyanmic formats of responsive ads. For example
+  // 'Free two-day shipping'.
+  google.protobuf.StringValue promo_text = 15;
+}
+
+// A call-only ad.
+message CallOnlyAdInfo {
+  // The country code in the ad.
+  google.protobuf.StringValue country_code = 1;
+
+  // The phone number in the ad.
+  google.protobuf.StringValue phone_number = 2;
+
+  // The business name in the ad.
+  google.protobuf.StringValue business_name = 3;
+
+  // The first line of the ad's description.
+  google.protobuf.StringValue description1 = 4;
+
+  // The second line of the ad's description.
+  google.protobuf.StringValue description2 = 5;
+
+  // Whether to enable call tracking for the creative. Enabling call
+  // tracking also enables call conversions.
+  google.protobuf.BoolValue call_tracked = 6;
+
+  // Whether to disable call conversion for the creative.
+  // If set to `true`, disables call conversions even when `call_tracked` is
+  // `true`.
+  // If `call_tracked` is `false`, this field is ignored.
+  google.protobuf.BoolValue disable_call_conversion = 7;
+
+  // The URL to be used for phone number verification.
+  google.protobuf.StringValue phone_number_verification_url = 8;
+
+  // The conversion action to attribute a call conversion to. If not set a
+  // default conversion action is used. This field only has effect if
+  // call_tracked is set to true. Otherwise this field is ignored.
+  google.protobuf.StringValue conversion_action = 9;
+
+  // The call conversion behavior of this call only ad. It can use its own call
+  // conversion setting, inherit the account level setting, or be disabled.
+  google.ads.googleads.v0.enums.CallConversionReportingStateEnum.CallConversionReportingState conversion_reporting_state = 10;
+}
+
+// An expanded dynamic search ad.
+message ExpandedDynamicSearchAdInfo {
+  // The description of the ad.
+  google.protobuf.StringValue description = 1;
+}
+
+// A hotel ad.
+message HotelAdInfo {
+
+}
+
+// A Smart Shopping ad.
+message ShoppingSmartAdInfo {
+
+}
+
+// A standard Shopping ad.
+message ShoppingProductAdInfo {
+
+}
+
+// A Gmail ad.
+message GmailAdInfo {
+  // The Gmail teaser.
+  GmailTeaser teaser = 1;
+
+  // The MediaFile resource name of the header image. Valid image types are GIF,
+  // JPEG and PNG. The minimum size is 300x100 pixels and the aspect ratio must
+  // be between 3:1 and 5:1 (+-1%).
+  google.protobuf.StringValue header_image = 2;
+
+  // The MediaFile resource name of the marketing image. Valid image types are
+  // GIF, JPEG and PNG. The image must either be landscape with a minimum size
+  // of 600x314 pixels and aspect ratio of 600:314 (+-1%) or square with a
+  // minimum size of 300x300 pixels and aspect ratio of 1:1 (+-1%)
+  google.protobuf.StringValue marketing_image = 3;
+
+  // Headline of the marketing image.
+  google.protobuf.StringValue marketing_image_headline = 4;
+
+  // Description of the marketing image.
+  google.protobuf.StringValue marketing_image_description = 5;
+
+  // Display-call-to-action of the marketing image.
+  DisplayCallToAction marketing_image_display_call_to_action = 6;
+}
+
+// Gmail teaser data. The teaser is a small header that acts as an invitation
+// to view the rest of the ad (the body).
+message GmailTeaser {
+  // Headline of the teaser.
+  google.protobuf.StringValue headline = 1;
+
+  // Description of the teaser.
+  google.protobuf.StringValue description = 2;
+
+  // Business name of the advertiser.
+  google.protobuf.StringValue business_name = 3;
+
+  // The MediaFile resource name of the logo image. Valid image types are GIF,
+  // JPEG and PNG. The minimum size is 144x144 pixels and the aspect ratio must
+  // be 1:1 (+-1%).
+  google.protobuf.StringValue logo_image = 4;
+}
+
+// Data for display call to action. The call to action is a piece of the ad
+// that prompts the user to do something. Like clicking a link or making a phone
+// call.
+message DisplayCallToAction {
+  // Text for the display-call-to-action.
+  google.protobuf.StringValue text = 1;
+
+  // Text color for the display-call-to-action in hexadecimal, e.g. #ffffff for
+  // white.
+  google.protobuf.StringValue text_color = 2;
+}
+
+// An image ad.
+message ImageAdInfo {
+  // Width in pixels of the full size image.
+  google.protobuf.Int64Value pixel_width = 4;
+
+  // Height in pixels of the full size image.
+  google.protobuf.Int64Value pixel_height = 5;
+
+  // URL of the full size image.
+  google.protobuf.StringValue image_url = 6;
+
+  // Width in pixels of the preview size image.
+  google.protobuf.Int64Value preview_pixel_width = 7;
+
+  // Height in pixels of the preview size image.
+  google.protobuf.Int64Value preview_pixel_height = 8;
+
+  // URL of the preview size image.
+  google.protobuf.StringValue preview_image_url = 9;
+
+  // The mime type of the image.
+  google.ads.googleads.v0.enums.MimeTypeEnum.MimeType mime_type = 10;
+
+  // The name of the image. If the image was created from a MediaFile, this is
+  // the MediaFile's name. If the image was created from bytes, this is empty.
+  google.protobuf.StringValue name = 11;
+
+  // The image to create the ImageAd from. This can be specified in one of
+  // two ways.
+  // 1. An existing MediaFile resource.
+  // 2. The raw image data as bytes.
+  oneof image {
+    // The MediaFile resource to use for the image.
+    google.protobuf.StringValue media_file = 1;
+
+    // Raw image data as bytes.
+    google.protobuf.BytesValue data = 2;
+  }
+}
diff --git a/google/ads/googleads/v0/common/bidding.proto b/google/ads/googleads/v0/common/bidding.proto
new file mode 100644
index 000000000..3bc40727c
--- /dev/null
+++ b/google/ads/googleads/v0/common/bidding.proto
@@ -0,0 +1,194 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/page_one_promoted_strategy_goal.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing bidding schemes.
+
+// An automated bidding strategy that raises bids for clicks
+// that seem more likely to lead to a conversion and lowers
+// them for clicks where they seem less likely.
+message EnhancedCpc {
+
+}
+
+// Manual click-based bidding where user pays per click.
+message ManualCpc {
+  // Whether bids are to be enhanced based on conversion optimizer data.
+  google.protobuf.BoolValue enhanced_cpc_enabled = 1;
+}
+
+// Manual impression-based bidding where user pays per thousand impressions.
+message ManualCpm {
+
+}
+
+// View based bidding where user pays per video view.
+message ManualCpv {
+
+}
+
+// An automated bidding strategy that sets bids to help get the most conversions
+// for your campaign while spending your budget.
+message MaximizeConversions {
+
+}
+
+// An automated bidding strategy which tries to maximize conversion value
+// given a daily budget.
+message MaximizeConversionValue {
+  // The target return on ad spend (ROAS) option. If set, the bid strategy will
+  // maximize revenue while averaging the target return on ad spend. If the
+  // target ROAS is high, the bid strategy may not be able to spend the full
+  // budget. If the target ROAS is not set, the bid strategy will aim to
+  // achieve the highest possible ROAS for the budget.
+  google.protobuf.DoubleValue target_roas = 1;
+}
+
+// An automated bidding strategy which sets CPC bids to target impressions on
+// page one, or page one promoted slots on google.com.
+message PageOnePromoted {
+  // The strategy goal of where impressions are desired to be shown on
+  // search result pages.
+  google.ads.googleads.v0.enums.PageOnePromotedStrategyGoalEnum.PageOnePromotedStrategyGoal strategy_goal = 1;
+
+  // Maximum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 2;
+
+  // Bid multiplier to be applied to the relevant bid estimate (depending on
+  // the `strategy_goal`) in determining a keyword's new CPC bid.
+  google.protobuf.DoubleValue bid_modifier = 3;
+
+  // Whether the strategy should always follow bid estimate changes, or only
+  // increase.
+  // If false, always sets a keyword's new bid to the current bid estimate.
+  // If true, only updates a keyword's bid if the current bid estimate is
+  // greater than the current bid.
+  google.protobuf.BoolValue only_raise_cpc_bids = 4;
+
+  // Whether the strategy is allowed to raise bids when the throttling
+  // rate of the budget it is serving out of rises above a threshold.
+  google.protobuf.BoolValue raise_cpc_bid_when_budget_constrained = 5;
+
+  // Whether the strategy is allowed to raise bids on keywords with
+  // lower-range quality scores.
+  google.protobuf.BoolValue raise_cpc_bid_when_quality_score_is_low = 6;
+}
+
+// An automated bid strategy that sets bids to help get as many conversions as
+// possible at the target cost-per-acquisition (CPA) you set.
+message TargetCpa {
+  // Average CPA target.
+  // This target should be greater than or equal to minimum billable unit based
+  // on the currency for the account.
+  google.protobuf.Int64Value target_cpa_micros = 1;
+
+  // Maximum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 2;
+
+  // Minimum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_floor_micros = 3;
+}
+
+// An automated bidding strategy that sets bids based on the target fraction of
+// auctions where the advertiser should outrank a specific competitor.
+message TargetOutrankShare {
+  // The target fraction of auctions where the advertiser should outrank the
+  // competitor.
+  // The advertiser outranks the competitor in an auction if either the
+  // advertiser appears above the competitor in the search results, or appears
+  // in the search results when the competitor does not.
+  // Value must be between 1 and 1000000, inclusive.
+  google.protobuf.Int32Value target_outrank_share_micros = 1;
+
+  // Competitor's visible domain URL.
+  google.protobuf.StringValue competitor_domain = 2;
+
+  // Maximum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 3;
+
+  // Whether the strategy should always follow bid estimate changes,
+  // or only increase.
+  // If false, always set a keyword's new bid to the current bid estimate.
+  // If true, only updates a keyword's bid if the current bid estimate is
+  // greater than the current bid.
+  google.protobuf.BoolValue only_raise_cpc_bids = 4;
+
+  // Whether the strategy is allowed to raise bids on keywords with
+  // lower-range quality scores.
+  google.protobuf.BoolValue raise_cpc_bid_when_quality_score_is_low = 5;
+}
+
+// An automated bidding strategy that helps you maximize revenue while
+// averaging a specific target return on ad spend (ROAS).
+message TargetRoas {
+  // Required. The desired revenue (based on conversion data) per unit of spend.
+  // Value must be between 0.01 and 1000.0, inclusive.
+  google.protobuf.DoubleValue target_roas = 1;
+
+  // Maximum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 2;
+
+  // Minimum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_floor_micros = 3;
+}
+
+// An automated bid strategy that sets your bids to help get as many clicks
+// as possible within your budget.
+message TargetSpend {
+  // The spend target under which to maximize clicks.
+  // A TargetSpend bidder will attempt to spend the smaller of this value
+  // or the natural throttling spend amount.
+  // If not specified, the budget is used as the spend target.
+  google.protobuf.Int64Value target_spend_micros = 1;
+
+  // Maximum bid limit that can be set by the bid strategy.
+  // The limit applies to all keywords managed by the strategy.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 2;
+}
+
+// A bidding strategy where bids are a fraction of the advertised price for
+// some good or service.
+message PercentCpc {
+  // Maximum bid limit that can be set by the bid strategy. This is
+  // an optional field entered by the advertiser and specified in local micros.
+  // Note: A zero value is interpreted in the same way as having bid_ceiling
+  // undefined.
+  google.protobuf.Int64Value cpc_bid_ceiling_micros = 1;
+
+  // Adjusts the bid for each auction upward or downward, depending on the
+  // likelihood of a conversion. Individual bids may exceed
+  // cpc_bid_ceiling_micros, but the average bid amount for a campaign should
+  // not.
+  google.protobuf.BoolValue enhanced_cpc_enabled = 2;
+}
diff --git a/google/ads/googleads/v0/common/criteria.proto b/google/ads/googleads/v0/common/criteria.proto
new file mode 100644
index 000000000..1e6a5797b
--- /dev/null
+++ b/google/ads/googleads/v0/common/criteria.proto
@@ -0,0 +1,449 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/age_range_type.proto";
+import "google/ads/googleads/v0/enums/content_label_type.proto";
+import "google/ads/googleads/v0/enums/day_of_week.proto";
+import "google/ads/googleads/v0/enums/device.proto";
+import "google/ads/googleads/v0/enums/gender_type.proto";
+import "google/ads/googleads/v0/enums/hotel_date_selection_type.proto";
+import "google/ads/googleads/v0/enums/income_range_type.proto";
+import "google/ads/googleads/v0/enums/interaction_type.proto";
+import "google/ads/googleads/v0/enums/keyword_match_type.proto";
+import "google/ads/googleads/v0/enums/listing_custom_attribute_index.proto";
+import "google/ads/googleads/v0/enums/listing_group_type.proto";
+import "google/ads/googleads/v0/enums/minute_of_hour.proto";
+import "google/ads/googleads/v0/enums/parental_status_type.proto";
+import "google/ads/googleads/v0/enums/preferred_content_type.proto";
+import "google/ads/googleads/v0/enums/product_channel.proto";
+import "google/ads/googleads/v0/enums/product_channel_exclusivity.proto";
+import "google/ads/googleads/v0/enums/product_condition.proto";
+import "google/ads/googleads/v0/enums/product_type_level.proto";
+import "google/ads/googleads/v0/enums/proximity_radius_units.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "CriteriaProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing criteria types.
+
+// A keyword criterion.
+message KeywordInfo {
+  // The text of the keyword (at most 80 characters and 10 words).
+  google.protobuf.StringValue text = 1;
+
+  // The match type of the keyword.
+  google.ads.googleads.v0.enums.KeywordMatchTypeEnum.KeywordMatchType match_type = 2;
+}
+
+// A placement criterion. This can be used to modify bids for sites when
+// targeting the content network.
+message PlacementInfo {
+  // URL of the placement.
+  //
+  // For example, "http://www.domain.com".
+  google.protobuf.StringValue url = 1;
+}
+
+// A location criterion.
+message LocationInfo {
+  // The geo target constant resource name.
+  google.protobuf.StringValue geo_target_constant = 1;
+}
+
+// A device criterion.
+message DeviceInfo {
+  // Type of the device.
+  google.ads.googleads.v0.enums.DeviceEnum.Device type = 1;
+}
+
+// A preferred content criterion.
+message PreferredContentInfo {
+  // Type of the preferred content.
+  google.ads.googleads.v0.enums.PreferredContentTypeEnum.PreferredContentType type = 2;
+}
+
+// A listing group criterion.
+message ListingGroupInfo {
+  // Type of the listing group.
+  google.ads.googleads.v0.enums.ListingGroupTypeEnum.ListingGroupType type = 1;
+
+  // Dimension value with which this listing group is refining its parent.
+  // Undefined for the root group.
+  ListingDimensionInfo case_value = 2;
+
+  // Resource name of ad group criterion which is the parent listing group
+  // subdivision. Null for the root group.
+  google.protobuf.StringValue parent_ad_group_criterion = 3;
+}
+
+// A listing scope criterion.
+message ListingScopeInfo {
+  // Scope of the campaign criterion.
+  repeated ListingDimensionInfo dimensions = 2;
+}
+
+// Listing dimensions for listing group criterion.
+message ListingDimensionInfo {
+  // Dimension of one of the types below is always present.
+  oneof dimension {
+    // Brand of the listing.
+    ListingBrandInfo listing_brand = 1;
+
+    // Advertiser-specific hotel ID.
+    HotelIdInfo hotel_id = 2;
+
+    // Class of the hotel as a number of stars 1 to 5.
+    HotelClassInfo hotel_class = 3;
+
+    // Country or Region the hotel is located in.
+    HotelCountryRegionInfo hotel_country_region = 4;
+
+    // State the hotel is located in.
+    HotelStateInfo hotel_state = 5;
+
+    // City the hotel is located in.
+    HotelCityInfo hotel_city = 6;
+
+    // Listing custom attribute.
+    ListingCustomAttributeInfo listing_custom_attribute = 7;
+
+    // Locality of a product offer.
+    ProductChannelInfo product_channel = 8;
+
+    // Availability of a product offer.
+    ProductChannelExclusivityInfo product_channel_exclusivity = 9;
+
+    // Condition of a product offer.
+    ProductConditionInfo product_condition = 10;
+
+    // Id of a product offer.
+    ProductOfferIdInfo product_offer_id = 11;
+
+    // Type of a product offer.
+    ProductTypeInfo product_type = 12;
+  }
+}
+
+// Brand of the listing.
+message ListingBrandInfo {
+  // String value of the listing brand.
+  google.protobuf.StringValue value = 1;
+}
+
+// Advertiser-specific hotel ID.
+message HotelIdInfo {
+  // String value of the hotel ID.
+  google.protobuf.StringValue value = 1;
+}
+
+// Class of the hotel as a number of stars 1 to 5.
+message HotelClassInfo {
+  // Long value of the hotel class.
+  google.protobuf.Int64Value value = 1;
+}
+
+// Country or Region the hotel is located in.
+message HotelCountryRegionInfo {
+  // The Geo Target Constant resource name.
+  google.protobuf.StringValue country_region_criterion = 1;
+}
+
+// State the hotel is located in.
+message HotelStateInfo {
+  // The Geo Target Constant resource name.
+  google.protobuf.StringValue state_criterion = 1;
+}
+
+// City the hotel is located in.
+message HotelCityInfo {
+  // The Geo Target Constant resource name.
+  google.protobuf.StringValue city_criterion = 1;
+}
+
+// Listing custom attribute.
+message ListingCustomAttributeInfo {
+  // String value of the listing custom attribute.
+  google.protobuf.StringValue value = 1;
+
+  // Indicates the index of the custom attribute.
+  google.ads.googleads.v0.enums.ListingCustomAttributeIndexEnum.ListingCustomAttributeIndex index = 2;
+}
+
+// Locality of a product offer.
+message ProductChannelInfo {
+  // Value of the locality.
+  google.ads.googleads.v0.enums.ProductChannelEnum.ProductChannel channel = 1;
+}
+
+// Availability of a product offer.
+message ProductChannelExclusivityInfo {
+  // Value of the availability.
+  google.ads.googleads.v0.enums.ProductChannelExclusivityEnum.ProductChannelExclusivity channel_exclusivity = 1;
+}
+
+// Condition of a product offer.
+message ProductConditionInfo {
+  // Value of the condition.
+  google.ads.googleads.v0.enums.ProductConditionEnum.ProductCondition condition = 1;
+}
+
+// Id of a product offer.
+message ProductOfferIdInfo {
+  // Value of the id.
+  google.protobuf.StringValue value = 1;
+}
+
+// Type of a product offer.
+message ProductTypeInfo {
+  // Value of the type.
+  google.protobuf.StringValue value = 1;
+
+  // Level of the type.
+  google.ads.googleads.v0.enums.ProductTypeLevelEnum.ProductTypeLevel level = 2;
+}
+
+// Criterion for hotel date selection (default dates vs. user selected).
+message HotelDateSelectionTypeInfo {
+  // Type of the hotel date selection
+  google.ads.googleads.v0.enums.HotelDateSelectionTypeEnum.HotelDateSelectionType type = 1;
+}
+
+// Criterion for number of days prior to the stay the booking is being made.
+message HotelAdvanceBookingWindowInfo {
+  // Low end of the number of days prior to the stay.
+  google.protobuf.Int64Value min_days = 1;
+
+  // High end of the number of days prior to the stay.
+  google.protobuf.Int64Value max_days = 2;
+}
+
+// Criterion for length of hotel stay in nights.
+message HotelLengthOfStayInfo {
+  // Low end of the number of nights in the stay.
+  google.protobuf.Int64Value min_nights = 1;
+
+  // High end of the number of nights in the stay.
+  google.protobuf.Int64Value max_nights = 2;
+}
+
+// Criterion for day of the week the booking is for.
+message HotelCheckInDayInfo {
+  // The day of the week.
+  google.ads.googleads.v0.enums.DayOfWeekEnum.DayOfWeek day_of_week = 1;
+}
+
+// Criterion for Interaction Type.
+message InteractionTypeInfo {
+  // The interaction type.
+  google.ads.googleads.v0.enums.InteractionTypeEnum.InteractionType type = 1;
+}
+
+// Represents an AdSchedule criterion.
+//
+// AdSchedule is specified as the day of the week and a time interval
+// within which ads will be shown.
+//
+// No more than six AdSchedules can be added for the same day.
+message AdScheduleInfo {
+  // Minutes after the start hour at which this schedule starts.
+  //
+  // This field is required for CREATE operations and is prohibited on UPDATE
+  // operations.
+  google.ads.googleads.v0.enums.MinuteOfHourEnum.MinuteOfHour start_minute = 1;
+
+  // Minutes after the end hour at which this schedule ends. The schedule is
+  // exclusive of the end minute.
+  //
+  // This field is required for CREATE operations and is prohibited on UPDATE
+  // operations.
+  google.ads.googleads.v0.enums.MinuteOfHourEnum.MinuteOfHour end_minute = 2;
+
+  // Starting hour in 24 hour time.
+  // This field must be between 0 and 23, inclusive.
+  //
+  // This field is required for CREATE operations and is prohibited on UPDATE
+  // operations.
+  google.protobuf.Int32Value start_hour = 3;
+
+  // Ending hour in 24 hour time; 24 signifies end of the day.
+  // This field must be between 0 and 24, inclusive.
+  //
+  // This field is required for CREATE operations and is prohibited on UPDATE
+  // operations.
+  google.protobuf.Int32Value end_hour = 4;
+
+  // Day of the week the schedule applies to.
+  //
+  // This field is required for CREATE operations and is prohibited on UPDATE
+  // operations.
+  google.ads.googleads.v0.enums.DayOfWeekEnum.DayOfWeek day_of_week = 5;
+}
+
+// An age range criterion.
+message AgeRangeInfo {
+  // Type of the age range.
+  google.ads.googleads.v0.enums.AgeRangeTypeEnum.AgeRangeType type = 1;
+}
+
+// A gender criterion.
+message GenderInfo {
+  // Type of the gender.
+  google.ads.googleads.v0.enums.GenderTypeEnum.GenderType type = 1;
+}
+
+// An income range criterion.
+message IncomeRangeInfo {
+  // Type of the income range.
+  google.ads.googleads.v0.enums.IncomeRangeTypeEnum.IncomeRangeType type = 1;
+}
+
+// A parental status criterion.
+message ParentalStatusInfo {
+  // Type of the parental status.
+  google.ads.googleads.v0.enums.ParentalStatusTypeEnum.ParentalStatusType type = 1;
+}
+
+// A YouTube Video criterion.
+message YouTubeVideoInfo {
+  // YouTube video id as it appears on the YouTube watch page.
+  google.protobuf.StringValue video_id = 1;
+}
+
+// A YouTube Channel criterion.
+message YouTubeChannelInfo {
+  // The YouTube uploader channel id or the channel code of a YouTube channel.
+  google.protobuf.StringValue channel_id = 1;
+}
+
+// A User List criterion. Represents a user list that is defined by the
+// advertiser to be targeted.
+message UserListInfo {
+  // The User List resource name.
+  google.protobuf.StringValue user_list = 1;
+}
+
+// A Proximity criterion. The geo point and radius determine what geographical
+// area is included. The address is a description of the geo point that does
+// not affect ad serving.
+//
+// There are two ways to create a proximity. First, by setting an address
+// and radius. The geo point will be automatically computed. Second, by
+// setting a geo point and radius. The address is an optional label that won't
+// be validated.
+message ProximityInfo {
+  // Latitude and longitude.
+  GeoPointInfo geo_point = 1;
+
+  // The radius of the proximity.
+  google.protobuf.DoubleValue radius = 2;
+
+  // The unit of measurement of the radius. Default is KILOMETERS.
+  google.ads.googleads.v0.enums.ProximityRadiusUnitsEnum.ProximityRadiusUnits radius_units = 3;
+
+  // Full address.
+  AddressInfo address = 4;
+}
+
+// Geo point for proximity criterion.
+message GeoPointInfo {
+  // Micro degrees for the longitude.
+  google.protobuf.Int32Value longitude_in_micro_degrees = 1;
+
+  // Micro degrees for the latitude.
+  google.protobuf.Int32Value latitude_in_micro_degrees = 2;
+}
+
+// Address for proximity criterion.
+message AddressInfo {
+  // Postal code.
+  google.protobuf.StringValue postal_code = 1;
+
+  // Province or state code.
+  google.protobuf.StringValue province_code = 2;
+
+  // Country code.
+  google.protobuf.StringValue country_code = 3;
+
+  // Province or state name.
+  google.protobuf.StringValue province_name = 4;
+
+  // Street address line 1.
+  google.protobuf.StringValue street_address = 5;
+
+  // Street address line 2. This field is write-only. It is only used for
+  // calculating the longitude and latitude of an address when geo_point is
+  // empty.
+  google.protobuf.StringValue street_address2 = 6;
+
+  // Name of the city.
+  google.protobuf.StringValue city_name = 7;
+}
+
+// A topic criterion. Use topics to target or exclude placements in the
+// Google Display Network based on the category into which the placement falls
+// (for example, "Pets & Animals/Pets/Dogs").
+message TopicInfo {
+  // The Topic Constant resource name.
+  google.protobuf.StringValue topic_constant = 1;
+
+  // The category to target or exclude. Each subsequent element in the array
+  // describes a more specific sub-category. For example,
+  // "Pets & Animals", "Pets", "Dogs" represents the "Pets & Animals/Pets/Dogs"
+  // category.
+  repeated google.protobuf.StringValue path = 2;
+}
+
+// A language criterion.
+message LanguageInfo {
+  // The language constant resource name.
+  google.protobuf.StringValue language_constant = 1;
+}
+
+// An IpBlock criterion used for IP exclusions. We allow:
+//  - IPv4 and IPv6 addresses
+//  - individual addresses (192.168.0.1)
+//  - masks for individual addresses (192.168.0.1/32)
+//  - masks for Class C networks (192.168.0.1/24)
+message IpBlockInfo {
+  // The IP address of this IP block.
+  google.protobuf.StringValue ip_address = 1;
+}
+
+// Content Label for category exclusion.
+message ContentLabelInfo {
+  // Content label type, required for CREATE operations.
+  google.ads.googleads.v0.enums.ContentLabelTypeEnum.ContentLabelType type = 1;
+}
+
+// Represents a Carrier Criterion.
+message CarrierInfo {
+  // The Carrier constant resource name.
+  google.protobuf.StringValue carrier_constant = 1;
+}
+
+// Represents a particular interest-based topic to be targeted.
+message UserInterestInfo {
+  // The UserInterest resource name.
+  google.protobuf.StringValue user_interest_category = 1;
+}
diff --git a/google/ads/googleads/v0/common/criterion_category_availability.proto b/google/ads/googleads/v0/common/criterion_category_availability.proto
new file mode 100644
index 000000000..904ae8601
--- /dev/null
+++ b/google/ads/googleads/v0/common/criterion_category_availability.proto
@@ -0,0 +1,81 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/advertising_channel_sub_type.proto";
+import "google/ads/googleads/v0/enums/advertising_channel_type.proto";
+import "google/ads/googleads/v0/enums/criterion_category_channel_availability_mode.proto";
+import "google/ads/googleads/v0/enums/criterion_category_locale_availability_mode.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "CriterionCategoryAvailabilityProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing criterion category availability information.
+
+// Information of category availability, per advertising channel.
+message CriterionCategoryAvailability {
+  // Channel types and subtypes that are available to the category.
+  CriterionCategoryChannelAvailability channel = 1;
+
+  // Locales that are available to the category for the channel.
+  repeated CriterionCategoryLocaleAvailability locale = 2;
+}
+
+// Information of advertising channel type and subtypes a category is available
+// in.
+message CriterionCategoryChannelAvailability {
+  // Format of the channel availability. Can be ALL_CHANNELS (the rest of the
+  // fields will not be set), CHANNEL_TYPE (only advertising_channel_type type
+  // will be set, the category is available to all sub types under it) or
+  // CHANNEL_TYPE_AND_SUBTYPES (advertising_channel_type,
+  // advertising_channel_sub_type, and include_default_channel_sub_type will all
+  // be set).
+  google.ads.googleads.v0.enums.CriterionCategoryChannelAvailabilityModeEnum.CriterionCategoryChannelAvailabilityMode availability_mode = 1;
+
+  // Channel type the category is available to.
+  google.ads.googleads.v0.enums.AdvertisingChannelTypeEnum.AdvertisingChannelType advertising_channel_type = 2;
+
+  // Channel subtypes under the channel type the category is available to.
+  repeated google.ads.googleads.v0.enums.AdvertisingChannelSubTypeEnum.AdvertisingChannelSubType advertising_channel_sub_type = 3;
+
+  // Whether default channel sub type is included. For example,
+  // advertising_channel_type being DISPLAY and include_default_channel_sub_type
+  // being false means that the default display campaign where channel sub type
+  // is not set is not included in this availability configuration.
+  google.protobuf.BoolValue include_default_channel_sub_type = 4;
+}
+
+// Information about which locales a category is available in.
+message CriterionCategoryLocaleAvailability {
+  // Format of the locale availability. Can be LAUNCHED_TO_ALL (both country and
+  // language will be empty), COUNTRY (only country will be set), LANGUAGE (only
+  // language wil be set), COUNTRY_AND_LANGUAGE (both country and language will
+  // be set).
+  google.ads.googleads.v0.enums.CriterionCategoryLocaleAvailabilityModeEnum.CriterionCategoryLocaleAvailabilityMode availability_mode = 1;
+
+  // Code of the country.
+  google.protobuf.StringValue country_code = 2;
+
+  // Code of the language.
+  google.protobuf.StringValue language_code = 3;
+}
diff --git a/google/ads/googleads/v0/common/custom_parameter.proto b/google/ads/googleads/v0/common/custom_parameter.proto
new file mode 100644
index 000000000..d15b6c5a6
--- /dev/null
+++ b/google/ads/googleads/v0/common/custom_parameter.proto
@@ -0,0 +1,39 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "CustomParameterProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing CustomParameter and operation
+
+// A mapping that can be used by custom parameter tags in a
+// `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+message CustomParameter {
+  // The key matching the parameter tag name.
+  google.protobuf.StringValue key = 1;
+
+  // The value to be substituted.
+  google.protobuf.StringValue value = 2;
+}
diff --git a/google/ads/googleads/v0/common/dates.proto b/google/ads/googleads/v0/common/dates.proto
new file mode 100644
index 000000000..6789611b9
--- /dev/null
+++ b/google/ads/googleads/v0/common/dates.proto
@@ -0,0 +1,38 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "DatesProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing date range message.
+
+// A date range.
+message DateRange {
+  // The start date, in yyyy-mm-dd format.
+  google.protobuf.StringValue start_date = 1;
+
+  // The end date, in yyyy-mm-dd format.
+  google.protobuf.StringValue end_date = 2;
+}
diff --git a/google/ads/googleads/v0/common/explorer_auto_optimizer_setting.proto b/google/ads/googleads/v0/common/explorer_auto_optimizer_setting.proto
new file mode 100644
index 000000000..e69738440
--- /dev/null
+++ b/google/ads/googleads/v0/common/explorer_auto_optimizer_setting.proto
@@ -0,0 +1,37 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "ExplorerAutoOptimizerSettingProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing ExplorerAutoOptimizerSetting
+
+// Settings for the
+// <a href="https://support.google.com/google-ads/answer/190596">
+// Display Campaign Optimizer</a>, initially termed "Explorer".
+message ExplorerAutoOptimizerSetting {
+  // Indicates whether the optimizer is turned on.
+  google.protobuf.BoolValue opt_in = 1;
+}
diff --git a/google/ads/googleads/v0/common/feed_common.proto b/google/ads/googleads/v0/common/feed_common.proto
new file mode 100644
index 000000000..a6171ca63
--- /dev/null
+++ b/google/ads/googleads/v0/common/feed_common.proto
@@ -0,0 +1,38 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "FeedCommonProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing common feed proto messages.
+
+// Represents a price in a particular currency.
+message Price {
+  // Three-character ISO 4217 currency code.
+  google.protobuf.StringValue currency_code = 1;
+
+  // Amount in micros. One million is equivalent to one unit.
+  google.protobuf.Int64Value amount_micros = 2;
+}
diff --git a/google/ads/googleads/v0/common/frequency_cap.proto b/google/ads/googleads/v0/common/frequency_cap.proto
new file mode 100644
index 000000000..e78a6e038
--- /dev/null
+++ b/google/ads/googleads/v0/common/frequency_cap.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/frequency_cap_event_type.proto";
+import "google/ads/googleads/v0/enums/frequency_cap_level.proto";
+import "google/ads/googleads/v0/enums/frequency_cap_time_unit.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "FrequencyCapProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing frequency caps.
+
+// A rule specifying the maximum number of times an ad (or some set of ads) can
+// be shown to a user over a particular time period.
+message FrequencyCapEntry {
+  // The key of a particular frequency cap. There can be no more
+  // than one frequency cap with the same key.
+  FrequencyCapKey key = 1;
+
+  // Maximum number of events allowed during the time range by this cap.
+  google.protobuf.Int32Value cap = 2;
+}
+
+// A group of fields used as keys for a frequency cap.
+// There can be no more than one frequency cap with the same key.
+message FrequencyCapKey {
+  // The level on which the cap is to be applied (e.g. ad group ad, ad group).
+  // The cap is applied to all the entities of this level.
+  google.ads.googleads.v0.enums.FrequencyCapLevelEnum.FrequencyCapLevel level = 1;
+
+  // The type of event that the cap applies to (e.g. impression).
+  google.ads.googleads.v0.enums.FrequencyCapEventTypeEnum.FrequencyCapEventType event_type = 3;
+
+  // Unit of time the cap is defined at (e.g. day, week).
+  google.ads.googleads.v0.enums.FrequencyCapTimeUnitEnum.FrequencyCapTimeUnit time_unit = 2;
+
+  // Number of time units the cap lasts.
+  google.protobuf.Int32Value time_length = 4;
+}
diff --git a/google/ads/googleads/v0/common/keyword_plan_common.proto b/google/ads/googleads/v0/common/keyword_plan_common.proto
new file mode 100644
index 000000000..c0916677a
--- /dev/null
+++ b/google/ads/googleads/v0/common/keyword_plan_common.proto
@@ -0,0 +1,39 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/keyword_plan_competition_level.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanCommonProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing Keyword Planner messages.
+
+// Historical metrics.
+message KeywordPlanHistoricalMetrics {
+  // Average monthly searches for the past 12 months.
+  google.protobuf.Int64Value avg_monthly_searches = 1;
+
+  // The competition level for the query.
+  google.ads.googleads.v0.enums.KeywordPlanCompetitionLevelEnum.KeywordPlanCompetitionLevel competition = 2;
+}
diff --git a/google/ads/googleads/v0/common/matching_function.proto b/google/ads/googleads/v0/common/matching_function.proto
new file mode 100644
index 000000000..f829432d0
--- /dev/null
+++ b/google/ads/googleads/v0/common/matching_function.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "MatchingFunctionProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing a matching function.
+
+// Matching function associated with a
+// CustomerFeed, CampaignFeed, or AdGroupFeed. The matching function is used
+// to filter the set of feed items selected.
+message MatchingFunction {
+  // String representation of the Function.
+  //
+  // Examples:
+  // 1) IDENTITY(true) or IDENTITY(false). All or none feed items serve.
+  // 2) EQUALS(CONTEXT.DEVICE,"Mobile")
+  // 3) IN(FEED_ITEM_ID,{1000001,1000002,1000003})
+  // 4) CONTAINS_ANY(FeedAttribute[12345678,0],{"Mars cruise","Venus cruise"})
+  // 5) AND(IN(FEED_ITEM_ID,{10001,10002}),EQUALS(CONTEXT.DEVICE,"Mobile"))
+  // See
+  // https:
+  // //developers.google.com/adwords/api/docs/guides/feed-matching-functions
+  //
+  // Note that because multiple strings may represent the same underlying
+  // function (whitespace and single versus double quotation marks, for
+  // example), the value returned may not be identical to the string sent in a
+  // mutate request.
+  google.protobuf.StringValue function_string = 1;
+}
diff --git a/google/ads/googleads/v0/common/metrics.proto b/google/ads/googleads/v0/common/metrics.proto
new file mode 100644
index 000000000..f205e3cd4
--- /dev/null
+++ b/google/ads/googleads/v0/common/metrics.proto
@@ -0,0 +1,263 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "MetricsProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing metrics.
+
+// Metrics data.
+message Metrics {
+  // All conversions from interactions (as oppose to view through conversions)
+  // divided by the number of ad interactions.
+  google.protobuf.DoubleValue all_conversions_from_interactions_rate = 65;
+
+  // The total value of all conversions.
+  google.protobuf.DoubleValue all_conversions_value = 66;
+
+  // The total number of conversions. This includes "Conversions" plus
+  // conversions that have their "Include in Conversions" setting unchecked.
+  google.protobuf.DoubleValue all_conversions = 7;
+
+  // The value of all conversions divided by the total cost of ad interactions
+  // (such as clicks for text ads or views for video ads).
+  google.protobuf.DoubleValue all_conversions_value_per_cost = 62;
+
+  // The value of all conversions from interactions divided by the total number
+  // of interactions.
+  google.protobuf.DoubleValue all_conversions_from_interactions_value_per_interaction = 67;
+
+  // The average amount you pay per interaction. This amount is the total cost
+  // of your ads divided by the total number of interactions.
+  google.protobuf.DoubleValue average_cost = 8;
+
+  // The total cost of all clicks divided by the total number of clicks
+  // received.
+  google.protobuf.DoubleValue average_cpc = 9;
+
+  // Average cost-per-thousand impressions (CPM).
+  google.protobuf.DoubleValue average_cpm = 10;
+
+  // The average amount you pay each time someone views your ad.
+  // The average CPV is defined by the total cost of all ad views divided by
+  // the number of views.
+  google.protobuf.DoubleValue average_cpv = 11;
+
+  // Your ad's position relative to those of other advertisers.
+  google.protobuf.DoubleValue average_position = 13;
+
+  // An indication on how other advertisers' Shopping ads for similar products
+  // are performing based on how often people who see their ad click on it.
+  google.protobuf.DoubleValue benchmark_ctr = 77;
+
+  // Percentage of clicks where the user only visited a single page on your
+  // site. Imported from Google Analytics.
+  google.protobuf.DoubleValue bounce_rate = 15;
+
+  // The number of clicks.
+  google.protobuf.Int64Value clicks = 19;
+
+  // The estimated percent of times that your ad was eligible to show
+  // on the Display Network but didn't because your budget was too low.
+  // Note: Content budget lost impression share is reported in the range of 0
+  // to 0.9. Any value above 0.9 is reported as 0.9001.
+  google.protobuf.DoubleValue content_budget_lost_impression_share = 20;
+
+  // The impressions you've received on the Display Network divided
+  // by the estimated number of impressions you were eligible to receive.
+  // Note: Content impression share is reported in the range of 0.1 to 1. Any
+  // value below 0.1 is reported as 0.0999.
+  google.protobuf.DoubleValue content_impression_share = 21;
+
+  // The last date/time a conversion tag for this conversion action successfully
+  // fired and was seen by Google Ads. This firing event may not have been the
+  // result of an attributable conversion (e.g. because the tag was fired from a
+  // browser that did not previously click an ad from an appropriate
+  // advertiser). The date/time is in the customer's time zone.
+  google.protobuf.StringValue conversion_last_received_request_date_time = 73;
+
+  // The date of the most recent conversion for this conversion action. The date
+  // is in the customer's time zone.
+  google.protobuf.StringValue conversion_last_conversion_date = 74;
+
+  // The estimated percentage of impressions on the Display Network
+  // that your ads didn't receive due to poor Ad Rank.
+  // Note: Content rank lost impression share is reported in the range of 0
+  // to 0.9. Any value above 0.9 is reported as 0.9001.
+  google.protobuf.DoubleValue content_rank_lost_impression_share = 22;
+
+  // Conversions from interactions divided by the number of ad interactions
+  // (such as clicks for text ads or views for video ads).
+  google.protobuf.DoubleValue conversions_from_interactions_rate = 69;
+
+  // The total value of conversions.
+  google.protobuf.DoubleValue conversions_value = 70;
+
+  // The value of conversions divided by the cost of ad interactions.
+  google.protobuf.DoubleValue conversions_value_per_cost = 71;
+
+  // The value of conversions from interactions divided by the number of ad
+  // interactions.
+  google.protobuf.DoubleValue conversions_from_interactions_value_per_interaction = 72;
+
+  // The number of conversions. This only includes conversion actions which have
+  // "Include in Conversions" checked.
+  google.protobuf.DoubleValue conversions = 25;
+
+  // The sum of your cost-per-click (CPC) and cost-per-thousand impressions
+  // (CPM) costs during this period.
+  google.protobuf.Int64Value cost_micros = 26;
+
+  // The cost of ad interactions divided by all conversions.
+  google.protobuf.DoubleValue cost_per_all_conversions = 68;
+
+  // The cost of ad interactions divided by conversions.
+  google.protobuf.DoubleValue cost_per_conversion = 28;
+
+  // Conversions from when a customer clicks on a Google Ads ad on one device,
+  // then converts on a different device or browser.
+  // Cross-device conversions are already included in all_conversions.
+  google.protobuf.DoubleValue cross_device_conversions = 29;
+
+  // The number of clicks your ad receives (Clicks) divided by the number
+  // of times your ad is shown (Impressions).
+  google.protobuf.DoubleValue ctr = 30;
+
+  // How often people engage with your ad after it's shown to them. This is the
+  // number of ad expansions divided by the number of times your ad is shown.
+  google.protobuf.DoubleValue engagement_rate = 31;
+
+  // The number of engagements.
+  // An engagement occurs when a viewer expands your Lightbox ad. Also, in the
+  // future, other ad types may support engagement metrics.
+  google.protobuf.Int64Value engagements = 32;
+
+  // Average lead value of hotel.
+  google.protobuf.DoubleValue hotel_average_lead_value_micros = 75;
+
+  // Count of how often your ad has appeared on a search results page or
+  // website on the Google Network.
+  google.protobuf.Int64Value impressions = 37;
+
+  // How often people interact with your ad after it is shown to them.
+  // This is the number of interactions divided by the number of times your ad
+  // is shown.
+  google.protobuf.DoubleValue interaction_rate = 38;
+
+  // The number of interactions.
+  // An interaction is the main user action associated with an ad format-clicks
+  // for text and shopping ads, views for video ads, and so on.
+  google.protobuf.Int64Value interactions = 39;
+
+  // The percentage of clicks filtered out of your total number of clicks
+  // (filtered + non-filtered clicks) during the reporting period.
+  google.protobuf.DoubleValue invalid_click_rate = 40;
+
+  // Number of clicks Google considers illegitimate and doesn't charge you for.
+  google.protobuf.Int64Value invalid_clicks = 41;
+
+  // Percentage of first-time sessions (from people who had never visited your
+  // site before). Imported from Google Analytics.
+  google.protobuf.DoubleValue percent_new_visitors = 42;
+
+  // Number of offline phone calls.
+  google.protobuf.Int64Value phone_calls = 43;
+
+  // Number of offline phone impressions.
+  google.protobuf.Int64Value phone_impressions = 44;
+
+  // Number of phone calls received (phone_calls) divided by the number of
+  // times your phone number is shown (phone_impressions).
+  google.protobuf.DoubleValue phone_through_rate = 45;
+
+  // Your clickthrough rate (Ctr) divided by the average clickthrough rate of
+  // all advertisers on the websites that show your ads. Measures how your ads
+  // perform on Display Network sites compared to other ads on the same sites.
+  google.protobuf.DoubleValue relative_ctr = 46;
+
+  // The percentage of the customer's Shopping ad impressions that are shown in
+  // the most prominent Shopping position. See
+  // <a href="https://support.google.com/adwords/answer/7501826">this Merchant
+  // Center article</a> for details. Any value below 0.1 is reported as 0.0999.
+  google.protobuf.DoubleValue search_absolute_top_impression_share = 78;
+
+  // The estimated percent of times that your ad was eligible to show on the
+  // Search Network but didn't because your budget was too low. Note: Search
+  // budget lost impression share is reported in the range of 0 to 0.9. Any
+  // value above 0.9 is reported as 0.9001.
+  google.protobuf.DoubleValue search_budget_lost_impression_share = 47;
+
+  // The impressions you've received divided by the estimated number of
+  // impressions you were eligible to receive on the Search Network for search
+  // terms that matched your keywords exactly (or were close variants of your
+  // keyword), regardless of your keyword match types. Note: Search exact match
+  // impression share is reported in the range of 0.1 to 1. Any value below 0.1
+  // is reported as 0.0999.
+  google.protobuf.DoubleValue search_exact_match_impression_share = 49;
+
+  // The impressions you've received on the Search Network divided
+  // by the estimated number of impressions you were eligible to receive.
+  // Note: Search impression share is reported in the range of 0.1 to 1. Any
+  // value below 0.1 is reported as 0.0999.
+  google.protobuf.DoubleValue search_impression_share = 50;
+
+  // The estimated percentage of impressions on the Search Network
+  // that your ads didn't receive due to poor Ad Rank.
+  // Note: Search rank lost impression share is reported in the range of 0 to
+  // 0.9. Any value above 0.9 is reported as 0.9001.
+  google.protobuf.DoubleValue search_rank_lost_impression_share = 51;
+
+  // The value of all conversions divided by the number of all conversions.
+  google.protobuf.DoubleValue value_per_all_conversions = 52;
+
+  // The value of conversions divided by the number of conversions.
+  google.protobuf.DoubleValue value_per_conversion = 53;
+
+  // Percentage of impressions where the viewer watched all of your video.
+  google.protobuf.DoubleValue video_quartile_100_rate = 54;
+
+  // Percentage of impressions where the viewer watched 25% of your video.
+  google.protobuf.DoubleValue video_quartile_25_rate = 55;
+
+  // Percentage of impressions where the viewer watched 50% of your video.
+  google.protobuf.DoubleValue video_quartile_50_rate = 56;
+
+  // Percentage of impressions where the viewer watched 75% of your video.
+  google.protobuf.DoubleValue video_quartile_75_rate = 57;
+
+  // The number of views your TrueView video ad receives divided by its number
+  // of impressions, including thumbnail impressions for TrueView in-display
+  // ads.
+  google.protobuf.DoubleValue video_view_rate = 58;
+
+  // The number of times your video ads were viewed.
+  google.protobuf.Int64Value video_views = 59;
+
+  // The total number of view-through conversions.
+  // These happen when a customer sees an image or rich media ad, then later
+  // completes a conversion on your site without interacting with (e.g.,
+  // clicking on) another ad.
+  google.protobuf.Int64Value view_through_conversions = 60;
+}
diff --git a/google/ads/googleads/v0/common/policy.proto b/google/ads/googleads/v0/common/policy.proto
new file mode 100644
index 000000000..7a686e95c
--- /dev/null
+++ b/google/ads/googleads/v0/common/policy.proto
@@ -0,0 +1,201 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/policy_topic_entry_type.proto";
+import "google/ads/googleads/v0/enums/policy_topic_evidence_destination_mismatch_url_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing policy information.
+
+// Key of the violation. The key is used for referring to a violation
+// when filing an exemption request.
+message PolicyViolationKey {
+  // Unique ID of the violated policy.
+  google.protobuf.StringValue policy_name = 1;
+
+  // The text that violates the policy if specified.
+  // Otherwise, refers to the policy in general
+  // (e.g., when requesting to be exempt from the whole policy).
+  // If not specified for criterion exemptions, the whole policy is implied.
+  // Must be specified for ad exemptions.
+  google.protobuf.StringValue violating_text = 2;
+}
+
+// Parameter for controlling how policy checking is done.
+message PolicyValidationParameter {
+  // The list of policy topics that should not cause a PolicyFindingError to
+  // be reported. This field is currently only compatible with Enhanced Text Ad.
+  // It corresponds to the PolicyTopicEntry.topic field.
+  //
+  // Resources violating these policies will be saved, but will not be eligible
+  // to serve. They may begin serving at a later time due to a change in
+  // policies, re-review of the resource, or a change in advertiser
+  // certificates.
+  repeated google.protobuf.StringValue ignorable_policy_topics = 1;
+}
+
+// Policy finding attached to a resource (e.g. alcohol policy associated with
+// a site that sells alcohol).
+//
+// Each PolicyTopicEntry has a topic that indicates the specific ads policy
+// the entry is about and a type to indicate the effect that the entry will have
+// on serving. It may optionally have one or more evidences that indicate the
+// reason for the finding. It may also optionally have one or more constraints
+// that provide details about how serving may be restricted.
+//
+// Next tag: 5
+message PolicyTopicEntry {
+  // Policy topic this finding refers to. For example, "ALCOHOL",
+  // "TRADEMARKS_IN_AD_TEXT", or "DESTINATION_NOT_WORKING". The set of possible
+  // policy topics is not fixed for a particular API version and may change
+  // at any time.
+  google.protobuf.StringValue topic = 1;
+
+  // Describes the negative or positive effect this policy will have on serving.
+  google.ads.googleads.v0.enums.PolicyTopicEntryTypeEnum.PolicyTopicEntryType type = 2;
+
+  // Additional information that explains policy finding
+  // (e.g. the brand name for a trademark finding).
+  repeated PolicyTopicEvidence evidences = 3;
+
+  // Indicates how serving of this resource may be affected (e.g. not serving
+  // in a country).
+  repeated PolicyTopicConstraint constraints = 4;
+}
+
+// Additional information that explains a policy finding.
+//
+// Next Id: 8
+message PolicyTopicEvidence {
+  // A list of fragments of text that violated a policy.
+  //
+  // Next Id: 2
+  message TextList {
+    // The fragments of text from the resource that caused the policy finding.
+    repeated google.protobuf.StringValue texts = 1;
+  }
+
+  // A list of websites that caused a policy finding. Used for
+  // ONE_WEBSITE_PER_AD_GROUP policy topic, for example. In case there are more
+  // than five websites, only the top five (those that appear in resources the
+  // most) will be listed here.
+  //
+  // Next Id: 2
+  message WebsiteList {
+    // Websites that caused the policy finding.
+    repeated google.protobuf.StringValue websites = 1;
+  }
+
+  // A list of strings found in a destination page that caused a policy
+  // finding.
+  //
+  // Next Id: 2
+  message DestinationTextList {
+    // List of text found in the resource's destination page.
+    repeated google.protobuf.StringValue destination_texts = 1;
+  }
+
+  // Evidence of mismatches between the URLs of a resource.
+  //
+  // Next Id: 2
+  message DestinationMismatch {
+    // The set of URLs that did not match each other.
+    repeated google.ads.googleads.v0.enums.PolicyTopicEvidenceDestinationMismatchUrlTypeEnum.PolicyTopicEvidenceDestinationMismatchUrlType url_types = 1;
+  }
+
+  // Specific evidence information depending on the evidence type.
+  oneof value {
+    // HTTP code returned when the final URL was crawled.
+    google.protobuf.Int32Value http_code = 2;
+
+    // List of websites linked with this resource.
+    WebsiteList website_list = 3;
+
+    // List of evidence found in the text of a resource.
+    TextList text_list = 4;
+
+    // The language the resource was detected to be written in.
+    // This is an IETF language tag such as "en-US".
+    google.protobuf.StringValue language_code = 5;
+
+    // The text in the destination of the resource that is causing a policy
+    // finding.
+    DestinationTextList destination_text_list = 6;
+
+    // Mismatch between the destinations of a resource's URLs.
+    DestinationMismatch destination_mismatch = 7;
+  }
+}
+
+// Describes the effect on serving that a policy topic entry will have.
+//
+// Next Id: 5
+message PolicyTopicConstraint {
+  // A list of countries where a resource's serving is constrained.
+  //
+  // Next Id: 3
+  message CountryConstraintList {
+    // Total number of countries targeted by the resource.
+    google.protobuf.Int32Value total_targeted_countries = 1;
+
+    // Countries in which serving is restricted.
+    repeated CountryConstraint countries = 2;
+  }
+
+  // Indicates that a policy topic was constrained due to disapproval of the
+  // website for reseller purposes.
+  //
+  // Next Id: 1
+  message ResellerConstraint {
+
+  }
+
+  // Indicates that a resource's ability to serve in a particular country is
+  // constrained.
+  //
+  // Next Id: 2
+  message CountryConstraint {
+    // Geo target constant resource name of the country in which serving is
+    // constrained.
+    google.protobuf.StringValue country_criterion = 1;
+  }
+
+  // Specific information about the constraint.
+  oneof value {
+    // Countries where the resource cannot serve.
+    CountryConstraintList country_constraint_list = 1;
+
+    // Reseller constraint.
+    ResellerConstraint reseller_constraint = 2;
+
+    // Countries where a certificate is required for serving.
+    CountryConstraintList certificate_missing_in_country_list = 3;
+
+    // Countries where the resource's domain is not covered by the
+    // certificates associated with it.
+    CountryConstraintList certificate_domain_mismatch_in_country_list = 4;
+  }
+}
diff --git a/google/ads/googleads/v0/common/real_time_bidding_setting.proto b/google/ads/googleads/v0/common/real_time_bidding_setting.proto
new file mode 100644
index 000000000..f71104231
--- /dev/null
+++ b/google/ads/googleads/v0/common/real_time_bidding_setting.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "RealTimeBiddingSettingProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing RealTimeBiddingSetting
+
+// Settings for Real-Time Bidding, a feature only available for campaigns
+// targeting the Ad Exchange network.
+message RealTimeBiddingSetting {
+  // Whether the campaign is opted in to real-time bidding.
+  google.protobuf.BoolValue opt_in = 1;
+}
diff --git a/google/ads/googleads/v0/common/tag_snippet.proto b/google/ads/googleads/v0/common/tag_snippet.proto
new file mode 100644
index 000000000..b061c91d6
--- /dev/null
+++ b/google/ads/googleads/v0/common/tag_snippet.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/tracking_code_page_format.proto";
+import "google/ads/googleads/v0/enums/tracking_code_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "TagSnippetProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing TagSnippet
+
+// The site tag and event snippet pair for a TrackingCodeType.
+message TagSnippet {
+  // The type of the generated tag snippets for tracking conversions.
+  google.ads.googleads.v0.enums.TrackingCodeTypeEnum.TrackingCodeType type = 1;
+
+  // The format of the web page where the tracking tag and snippet will be
+  // installed, e.g. HTML.
+  google.ads.googleads.v0.enums.TrackingCodePageFormatEnum.TrackingCodePageFormat page_format = 2;
+
+  // The site tag that adds visitors to your basic remarketing lists and sets
+  // new cookies on your domain.
+  google.protobuf.StringValue global_site_tag = 3;
+
+  // The event snippet that works with the site tag to track actions that
+  // should be counted as conversions.
+  google.protobuf.StringValue event_snippet = 4;
+}
diff --git a/google/ads/googleads/v0/common/user_lists.proto b/google/ads/googleads/v0/common/user_lists.proto
new file mode 100644
index 000000000..8ad81de5d
--- /dev/null
+++ b/google/ads/googleads/v0/common/user_lists.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+import "google/ads/googleads/v0/enums/customer_match_upload_key_type.proto";
+import "google/ads/googleads/v0/enums/user_list_crm_data_source_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "UserListsProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing user list types.
+
+// SimilarUserList is a list of users which are similar to users from another
+// UserList. These lists are read-only and automatically created by Google.
+message SimilarUserListInfo {
+  // Seed UserList from which this list is derived.
+  google.protobuf.StringValue seed_user_list = 1;
+}
+
+// UserList of CRM users provided by the advertiser.
+message CrmBasedUserListInfo {
+  // A string that uniquely identifies a mobile application from which the data
+  // was collected to the Google Ads API.
+  // For iOS, the ID string is the 9 digit string that appears at the end of an
+  // App Store URL (e.g., "476943146" for "Flood-It! 2" whose App Store link is
+  // http://itunes.apple.com/us/app/flood-it!-2/id476943146).
+  // For Android, the ID string is the application's package name
+  // (e.g., "com.labpixies.colordrips" for "Color Drips" given Google Play link
+  // https://play.google.com/store/apps/details?id=com.labpixies.colordrips).
+  // Required when creating CrmBasedUserList for uploading mobile advertising
+  // IDs.
+  google.protobuf.StringValue app_id = 1;
+
+  // Matching key type of the list.
+  // Mixed data types are not allowed on the same list.
+  // This field is required for an ADD operation.
+  google.ads.googleads.v0.enums.CustomerMatchUploadKeyTypeEnum.CustomerMatchUploadKeyType upload_key_type = 2;
+
+  // Data source of the list. Default value is FIRST_PARTY.
+  // Only whitelisted customers can create third party sourced crm lists.
+  google.ads.googleads.v0.enums.UserListCrmDataSourceTypeEnum.UserListCrmDataSourceType data_source_type = 3;
+}
diff --git a/google/ads/googleads/v0/common/value.proto b/google/ads/googleads/v0/common/value.proto
new file mode 100644
index 000000000..db9e43091
--- /dev/null
+++ b/google/ads/googleads/v0/common/value.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.common;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/common;common";
+option java_multiple_files = true;
+option java_outer_classname = "ValueProto";
+option java_package = "com.google.ads.googleads.v0.common";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Common";
+// Proto file describing value types
+
+// A generic data container.
+message Value {
+  // A value.
+  oneof value {
+    // A boolean.
+    bool boolean_value = 1;
+
+    // An int64.
+    int64 int64_value = 2;
+
+    // A float.
+    float float_value = 3;
+
+    // A double.
+    double double_value = 4;
+
+    // A string.
+    string string_value = 5;
+  }
+}
diff --git a/google/ads/googleads/v0/enums/access_reason.proto b/google/ads/googleads/v0/enums/access_reason.proto
new file mode 100644
index 000000000..3a379dcda
--- /dev/null
+++ b/google/ads/googleads/v0/enums/access_reason.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AccessReasonProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Indicates the way the entity such as user list is related to a user.
+message AccessReasonEnum {
+  // Enum describing possible access reasons.
+  enum AccessReason {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The entity is owned by the user.
+    OWNED = 2;
+
+    // The entity is shared to the user.
+    SHARED = 3;
+
+    // The entity is licensed to the user.
+    LICENSED = 4;
+
+    // The user subscribed to the entity.
+    SUBSCRIBED = 5;
+
+    // The entity is accessible to the user.
+    AFFILIATED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/account_budget_proposal_status.proto b/google/ads/googleads/v0/enums/account_budget_proposal_status.proto
new file mode 100644
index 000000000..471e8267a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/account_budget_proposal_status.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProposalStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing AccountBudgetProposal statuses.
+
+// Message describing AccountBudgetProposal statuses.
+message AccountBudgetProposalStatusEnum {
+  // The possible statuses of an AccountBudgetProposal.
+  enum AccountBudgetProposalStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The proposal is pending approval.
+    PENDING = 2;
+
+    // The proposal has been approved but the corresponding billing setup
+    // has not.  This can occur for proposals that set up the first budget
+    // when signing up for billing or when performing a change of bill-to
+    // operation.
+    APPROVED_HELD = 3;
+
+    // The proposal has been approved.
+    APPROVED = 4;
+
+    // The proposal has been cancelled by the user.
+    CANCELLED = 5;
+
+    // The proposal has been rejected by the user, e.g. by rejecting an
+    // acceptance email.
+    REJECTED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/account_budget_proposal_type.proto b/google/ads/googleads/v0/enums/account_budget_proposal_type.proto
new file mode 100644
index 000000000..51e093279
--- /dev/null
+++ b/google/ads/googleads/v0/enums/account_budget_proposal_type.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProposalTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing AccountBudgetProposal types.
+
+// Message describing AccountBudgetProposal types.
+message AccountBudgetProposalTypeEnum {
+  // The possible types of an AccountBudgetProposal.
+  enum AccountBudgetProposalType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Identifies a request to create a new budget.
+    CREATE = 2;
+
+    // Identifies a request to edit an existing budget.
+    UPDATE = 3;
+
+    // Identifies a request to end a budget that has already started.
+    END = 4;
+
+    // Identifies a request to remove a budget that hasn't started yet.
+    REMOVE = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/account_budget_status.proto b/google/ads/googleads/v0/enums/account_budget_status.proto
new file mode 100644
index 000000000..6806f675a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/account_budget_status.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing AccountBudget statuses.
+
+// Message describing AccountBudget statuses.
+message AccountBudgetStatusEnum {
+  // The possible statuses of an AccountBudget.
+  enum AccountBudgetStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The account budget is pending approval.
+    PENDING = 2;
+
+    // The account budget has been approved.
+    APPROVED = 3;
+
+    // The account budget has been cancelled by the user.
+    CANCELLED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_customizer_placeholder_field.proto b/google/ads/googleads/v0/enums/ad_customizer_placeholder_field.proto
new file mode 100644
index 000000000..986a8376e
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_customizer_placeholder_field.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdCustomizerPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Ad Customizer placeholder fields.
+message AdCustomizerPlaceholderFieldEnum {
+  // Possible values for Ad Customizers placeholder fields.
+  enum AdCustomizerPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: INT64. Integer value to be inserted.
+    INTEGER = 2;
+
+    // Data Type: STRING. Price value to be inserted.
+    PRICE = 3;
+
+    // Data Type: DATE_TIME. Date value to be inserted.
+    DATE = 4;
+
+    // Data Type: STRING. String value to be inserted.
+    STRING = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_group_ad_rotation_mode.proto b/google/ads/googleads/v0/enums/ad_group_ad_rotation_mode.proto
new file mode 100644
index 000000000..f221c38ea
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_group_ad_rotation_mode.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAdRotationModeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad group ad rotation mode.
+
+// Container for enum describing possible ad rotation modes of ads within an
+// ad group.
+message AdGroupAdRotationModeEnum {
+  // The possible ad rotation modes of an ad group.
+  enum AdGroupAdRotationMode {
+    // The ad rotation mode has not been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Optimize ad group ads based on clicks or conversions.
+    OPTIMIZE = 2;
+
+    // Rotate evenly forever.
+    ROTATE_FOREVER = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_group_ad_status.proto b/google/ads/googleads/v0/enums/ad_group_ad_status.proto
new file mode 100644
index 000000000..401e504d3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_group_ad_status.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAdStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad group status.
+
+// Container for enum describing possible statuses of an AdGroupAd.
+message AdGroupAdStatusEnum {
+  // The possible statuses of an AdGroupAd.
+  enum AdGroupAdStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The ad group ad is enabled.
+    ENABLED = 2;
+
+    // The ad group ad is paused.
+    PAUSED = 3;
+
+    // The ad group ad is removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_group_criterion_status.proto b/google/ads/googleads/v0/enums/ad_group_criterion_status.proto
new file mode 100644
index 000000000..671566f67
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_group_criterion_status.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupCriterionStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing AdGroupCriterion statuses.
+
+// Message describing AdGroupCriterion statuses.
+message AdGroupCriterionStatusEnum {
+  // The possible statuses of an AdGroupCriterion.
+  enum AdGroupCriterionStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The ad group criterion is enabled.
+    ENABLED = 2;
+
+    // The ad group criterion is paused.
+    PAUSED = 3;
+
+    // The ad group criterion is removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_group_status.proto b/google/ads/googleads/v0/enums/ad_group_status.proto
new file mode 100644
index 000000000..1e55c8666
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_group_status.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad group status.
+
+// Container for enum describing possible statuses of an ad group.
+message AdGroupStatusEnum {
+  // The possible statuses of an ad group.
+  enum AdGroupStatus {
+    // The status has not been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The ad group is enabled.
+    ENABLED = 2;
+
+    // The ad group is paused.
+    PAUSED = 3;
+
+    // The ad group is removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_group_type.proto b/google/ads/googleads/v0/enums/ad_group_type.proto
new file mode 100644
index 000000000..bfbcd0ff3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_group_type.proto
@@ -0,0 +1,75 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad group types.
+
+// Defines types of an ad group, specific to a particular campaign channel
+// type. This type drives validations that restrict which entities can be
+// added to the ad group.
+message AdGroupTypeEnum {
+  // Enum listing the possible types of an ad group.
+  enum AdGroupType {
+    // The type has not been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The default ad group type for Search campaigns.
+    SEARCH_STANDARD = 2;
+
+    // The default ad group type for Display campaigns.
+    DISPLAY_STANDARD = 3;
+
+    // The ad group type for Shopping campaigns serving standard product ads.
+    SHOPPING_PRODUCT_ADS = 4;
+
+    // The default ad group type for Hotel campaigns.
+    HOTEL_ADS = 6;
+
+    // The type for ad groups in Smart Shopping campaigns.
+    SHOPPING_SMART_ADS = 7;
+
+    // Short unskippable in-stream video ads.
+    VIDEO_BUMPER = 8;
+
+    // TrueView (skippable) in-stream video ads.
+    VIDEO_TRUE_VIEW_IN_STREAM = 9;
+
+    // TrueView in-display video ads.
+    VIDEO_TRUE_VIEW_IN_DISPLAY = 10;
+
+    // Unskippable in-stream video ads.
+    VIDEO_NON_SKIPPABLE_IN_STREAM = 11;
+
+    // Outstream video ads.
+    VIDEO_OUTSTREAM = 12;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_network_type.proto b/google/ads/googleads/v0/enums/ad_network_type.proto
new file mode 100644
index 000000000..42b824a08
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_network_type.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdNetworkTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad network types.
+
+// Container for enumeration of Google Ads network types.
+message AdNetworkTypeEnum {
+  // Enumerates Google Ads network types.
+  enum AdNetworkType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Google search.
+    SEARCH = 2;
+
+    // Search partners.
+    SEARCH_PARTNERS = 3;
+
+    // Display Network.
+    CONTENT = 4;
+
+    // YouTube Search.
+    YOUTUBE_SEARCH = 5;
+
+    // YouTube Videos
+    YOUTUBE_WATCH = 6;
+
+    // Cross-network.
+    MIXED = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_serving_optimization_status.proto b/google/ads/googleads/v0/enums/ad_serving_optimization_status.proto
new file mode 100644
index 000000000..45a9d71ee
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_serving_optimization_status.proto
@@ -0,0 +1,61 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdServingOptimizationStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing ad serving statuses.
+
+// Possible ad serving statuses of a campaign.
+message AdServingOptimizationStatusEnum {
+  // Enum describing possible serving statuses.
+  enum AdServingOptimizationStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Ad serving is optimized based on CTR for the campaign.
+    OPTIMIZE = 2;
+
+    // Ad serving is optimized based on CTR * Conversion for the campaign. If
+    // the campaign is not in the conversion optimizer bidding strategy, it will
+    // default to OPTIMIZED.
+    CONVERSION_OPTIMIZE = 3;
+
+    // Ads are rotated evenly for 90 days, then optimized for clicks.
+    ROTATE = 4;
+
+    // Show lower performing ads more evenly with higher performing ads, and do
+    // not optimize.
+    ROTATE_INDEFINITELY = 5;
+
+    // Ad serving optimization status is not available.
+    UNAVAILABLE = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/ad_type.proto b/google/ads/googleads/v0/enums/ad_type.proto
new file mode 100644
index 000000000..0e5e7f69d
--- /dev/null
+++ b/google/ads/googleads/v0/enums/ad_type.proto
@@ -0,0 +1,79 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the ad type.
+
+// Container for enum describing possible types of an ad.
+message AdTypeEnum {
+  // The possible types of an ad.
+  enum AdType {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The ad is a text ad.
+    TEXT_AD = 2;
+
+    // The ad is an expanded text ad.
+    EXPANDED_TEXT_AD = 3;
+
+    // The ad is a dynamic search ad.
+    DYNAMIC_SEARCH_AD = 4;
+
+    // The ad is a responsive display ad.
+    RESPONSIVE_DISPLAY_AD = 5;
+
+    // The ad is a call only ad.
+    CALL_ONLY_AD = 6;
+
+    // The ad is an expanded dynamic search ad.
+    EXPANDED_DYNAMIC_SEARCH_AD = 7;
+
+    // The ad is a hotel ad.
+    HOTEL_AD = 8;
+
+    // The ad is a Smart Shopping ad.
+    SHOPPING_SMART_AD = 9;
+
+    // The ad is a standard Shopping ad.
+    SHOPPING_PRODUCT_AD = 10;
+
+    // The ad is a video ad.
+    VIDEO_AD = 12;
+
+    // This ad is a Gmail ad.
+    GMAIL_AD = 13;
+
+    // This ad is an Image ad.
+    IMAGE_AD = 14;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/advertising_channel_sub_type.proto b/google/ads/googleads/v0/enums/advertising_channel_sub_type.proto
new file mode 100644
index 000000000..57bf78391
--- /dev/null
+++ b/google/ads/googleads/v0/enums/advertising_channel_sub_type.proto
@@ -0,0 +1,65 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdvertisingChannelSubTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing advertising channel subtypes.
+
+// An immutable specialization of an Advertising Channel.
+message AdvertisingChannelSubTypeEnum {
+  // Enum describing the different channel subtypes.
+  enum AdvertisingChannelSubType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used as a return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Mobile app campaigns for Search.
+    SEARCH_MOBILE_APP = 2;
+
+    // Mobile app campaigns for Display.
+    DISPLAY_MOBILE_APP = 3;
+
+    // AdWords express campaigns for search.
+    SEARCH_EXPRESS = 4;
+
+    // AdWords Express campaigns for display.
+    DISPLAY_EXPRESS = 5;
+
+    // Smart Shopping campaigns.
+    SHOPPING_SMART_ADS = 6;
+
+    // Gmail Ad campaigns.
+    DISPLAY_GMAIL_AD = 7;
+
+    // Smart display campaigns.
+    DISPLAY_SMART_CAMPAIGN = 8;
+
+    // Video Outstream campaigns.
+    VIDEO_OUTSTREAM = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/advertising_channel_type.proto b/google/ads/googleads/v0/enums/advertising_channel_type.proto
new file mode 100644
index 000000000..bc03aedce
--- /dev/null
+++ b/google/ads/googleads/v0/enums/advertising_channel_type.proto
@@ -0,0 +1,57 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AdvertisingChannelTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing advertising channel types
+
+// The channel type a campaign may target to serve on.
+message AdvertisingChannelTypeEnum {
+  // Enum describing the various advertising channel types.
+  enum AdvertisingChannelType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Search Network. Includes display bundled, and Search+ campaigns.
+    SEARCH = 2;
+
+    // Google Display Network only.
+    DISPLAY = 3;
+
+    // Shopping campaigns serve on the shopping property
+    // and on google.com search results.
+    SHOPPING = 4;
+
+    // Hotel Ads campaigns.
+    HOTEL = 5;
+
+    // Video campaigns.
+    VIDEO = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/affiliate_location_feed_relationship_type.proto b/google/ads/googleads/v0/enums/affiliate_location_feed_relationship_type.proto
new file mode 100644
index 000000000..b155e5397
--- /dev/null
+++ b/google/ads/googleads/v0/enums/affiliate_location_feed_relationship_type.proto
@@ -0,0 +1,45 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AffiliateLocationFeedRelationshipTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing relation type for affiliate location feeds.
+
+// Container for enum describing possible values for a relationship type for
+// an affiliate location feed.
+message AffiliateLocationFeedRelationshipTypeEnum {
+  // Possible values for a relationship type for an affiliate location feed.
+  enum AffiliateLocationFeedRelationshipType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // General retailer relationship.
+    GENERAL_RETAILER = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/age_range_type.proto b/google/ads/googleads/v0/enums/age_range_type.proto
new file mode 100644
index 000000000..28f7ce498
--- /dev/null
+++ b/google/ads/googleads/v0/enums/age_range_type.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AgeRangeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing age range types.
+
+// Container for enum describing the type of demographic age ranges.
+message AgeRangeTypeEnum {
+  // The type of demographic age ranges (e.g. between 18 and 24 years old).
+  enum AgeRangeType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Between 18 and 24 years old.
+    AGE_RANGE_18_24 = 503001;
+
+    // Between 25 and 34 years old.
+    AGE_RANGE_25_34 = 503002;
+
+    // Between 35 and 44 years old.
+    AGE_RANGE_35_44 = 503003;
+
+    // Between 45 and 54 years old.
+    AGE_RANGE_45_54 = 503004;
+
+    // Between 55 and 64 years old.
+    AGE_RANGE_55_64 = 503005;
+
+    // 65 years old and beyond.
+    AGE_RANGE_65_UP = 503006;
+
+    // Undetermined age range.
+    AGE_RANGE_UNDETERMINED = 503999;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/app_placeholder_field.proto b/google/ads/googleads/v0/enums/app_placeholder_field.proto
new file mode 100644
index 000000000..16ed56d21
--- /dev/null
+++ b/google/ads/googleads/v0/enums/app_placeholder_field.proto
@@ -0,0 +1,72 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AppPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for App placeholder fields.
+message AppPlaceholderFieldEnum {
+  // Possible values for App placeholder fields.
+  enum AppPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: INT64. The application store that the target application
+    // belongs to. Valid values are: 1 = Apple iTunes Store; 2 = Google Play
+    // Store.
+    STORE = 2;
+
+    // Data Type: STRING. The store-specific ID for the target application.
+    ID = 3;
+
+    // Data Type: STRING. The visible text displayed when the link is rendered
+    // in an ad.
+    LINK_TEXT = 4;
+
+    // Data Type: STRING. The destination URL of the in-app link.
+    URL = 5;
+
+    // Data Type: URL_LIST. Final URLs for the in-app link when using Upgraded
+    // URLs.
+    FINAL_URLS = 6;
+
+    // Data Type: URL_LIST. Final Mobile URLs for the in-app link when using
+    // Upgraded URLs.
+    FINAL_MOBILE_URLS = 7;
+
+    // Data Type: URL. Tracking template for the in-app link when using Upgraded
+    // URLs.
+    TRACKING_URL = 8;
+
+    // Data Type: STRING. Final URL suffix for the in-app link when using
+    // parallel tracking.
+    FINAL_URL_SUFFIX = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/attribution_model.proto b/google/ads/googleads/v0/enums/attribution_model.proto
new file mode 100644
index 000000000..861fecf53
--- /dev/null
+++ b/google/ads/googleads/v0/enums/attribution_model.proto
@@ -0,0 +1,71 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "AttributionModelProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Container for enum representing the attribution model that describes how to
+// distribute credit for a particular conversion across potentially many prior
+// interactions.
+message AttributionModelEnum {
+  // The attribution model that describes how to distribute credit for a
+  // particular conversion across potentially many prior interactions.
+  enum AttributionModel {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Uses external attribution.
+    EXTERNAL = 100;
+
+    // Attributes all credit for a conversion to its last click.
+    GOOGLE_ADS_LAST_CLICK = 101;
+
+    // Attributes all credit for a conversion to its first click using Google
+    // Search attribution.
+    GOOGLE_SEARCH_ATTRIBUTION_FIRST_CLICK = 102;
+
+    // Attributes credit for a conversion equally across all of its clicks using
+    // Google Search attribution.
+    GOOGLE_SEARCH_ATTRIBUTION_LINEAR = 103;
+
+    // Attributes exponentially more credit for a conversion to its more recent
+    // clicks using Google Search attribution (half-life is 1 week).
+    GOOGLE_SEARCH_ATTRIBUTION_TIME_DECAY = 104;
+
+    // Attributes 40% of the credit for a conversion to its first and last
+    // clicks. Remaining 20% is evenly distributed across all other clicks. This
+    // uses Google Search attribution.
+    GOOGLE_SEARCH_ATTRIBUTION_POSITION_BASED = 105;
+
+    // Flexible model that uses machine learning to determine the appropriate
+    // distribution of credit among clicks using Google Search attribution.
+    GOOGLE_SEARCH_ATTRIBUTION_DATA_DRIVEN = 106;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/bid_modifier_source.proto b/google/ads/googleads/v0/enums/bid_modifier_source.proto
new file mode 100644
index 000000000..93c956a2d
--- /dev/null
+++ b/google/ads/googleads/v0/enums/bid_modifier_source.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BidModifierSourceProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bid modifier source.
+
+// Container for enum describing possible bid modifier sources.
+message BidModifierSourceEnum {
+  // Enum describing possible bid modifier sources.
+  enum BidModifierSource {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The bid modifier is specified at the campaign level, on the campaign
+    // level criterion.
+    CAMPAIGN = 2;
+
+    // The bid modifier is specified (overridden) at the ad group level.
+    AD_GROUP = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/bidding_source.proto b/google/ads/googleads/v0/enums/bidding_source.proto
new file mode 100644
index 000000000..8e204c487
--- /dev/null
+++ b/google/ads/googleads/v0/enums/bidding_source.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingSourceProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Container for enum describing possible bidding sources.
+message BiddingSourceEnum {
+  // Enum describing possible bidding sources.
+  enum BiddingSource {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Bidding entity is defined on the ad group.
+    ADGROUP = 2;
+
+    // Bidding entity is defined on the ad group criterion.
+    CRITERION = 3;
+
+    // Effective bidding entity is inherited from campaign bidding strategy.
+    CAMPAIGN_BIDDING_STRATEGY = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/bidding_strategy_type.proto b/google/ads/googleads/v0/enums/bidding_strategy_type.proto
new file mode 100644
index 000000000..816abc4f5
--- /dev/null
+++ b/google/ads/googleads/v0/enums/bidding_strategy_type.proto
@@ -0,0 +1,91 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingStrategyTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Container for enum describing possible bidding strategy types.
+message BiddingStrategyTypeEnum {
+  // Enum describing possible bidding strategy types.
+  enum BiddingStrategyType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Enhanced CPC is a bidding strategy that raises bids for clicks
+    // that seem more likely to lead to a conversion and lowers
+    // them for clicks where they seem less likely.
+    ENHANCED_CPC = 2;
+
+    // Manual click based bidding where user pays per click.
+    MANUAL_CPC = 3;
+
+    // Manual impression based bidding
+    // where user pays per thousand impressions.
+    MANUAL_CPM = 4;
+
+    // A bidding strategy that pays a configurable amount per video view.
+    MANUAL_CPV = 13;
+
+    // A bidding strategy that automatically maximizes number of conversions
+    // given a daily budget.
+    MAXIMIZE_CONVERSIONS = 10;
+
+    // An automated bidding strategy that automatically sets bids to maximize
+    // revenue while spending your budget.
+    MAXIMIZE_CONVERSION_VALUE = 11;
+
+    // Page-One Promoted bidding scheme, which sets max cpc bids to
+    // target impressions on page one or page one promoted slots on google.com.
+    PAGE_ONE_PROMOTED = 5;
+
+    // Percent Cpc is bidding strategy where bids are a fraction of the
+    // advertised price for some good or service.
+    PERCENT_CPC = 12;
+
+    // Target CPA is an automated bid strategy that sets bids
+    // to help get as many conversions as possible
+    // at the target cost-per-acquisition (CPA) you set.
+    TARGET_CPA = 6;
+
+    // Target Outrank Share is an automated bidding strategy that sets bids
+    // based on the target fraction of auctions where the advertiser
+    // should outrank a specific competitor.
+    TARGET_OUTRANK_SHARE = 7;
+
+    // Target ROAS is an automated bidding strategy
+    // that helps you maximize revenue while averaging
+    // a specific target Return On Average Spend (ROAS).
+    TARGET_ROAS = 8;
+
+    // Target Spend is an automated bid strategy that sets your bids
+    // to help get as many clicks as possible within your budget.
+    TARGET_SPEND = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/billing_setup_status.proto b/google/ads/googleads/v0/enums/billing_setup_status.proto
new file mode 100644
index 000000000..fdca1838f
--- /dev/null
+++ b/google/ads/googleads/v0/enums/billing_setup_status.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BillingSetupStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing BillingSetup statuses.
+
+// Message describing BillingSetup statuses.
+message BillingSetupStatusEnum {
+  // The possible statuses of a BillingSetup.
+  enum BillingSetupStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The billing setup is pending approval.
+    PENDING = 2;
+
+    // The billing setup has been approved but the corresponding first budget
+    // has not.  This can only occur for billing setups configured for monthly
+    // invoicing.
+    APPROVED_HELD = 3;
+
+    // The billing setup has been approved.
+    APPROVED = 4;
+
+    // The billing setup was cancelled by the user prior to approval.
+    CANCELLED = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/budget_delivery_method.proto b/google/ads/googleads/v0/enums/budget_delivery_method.proto
new file mode 100644
index 000000000..2a99d0a45
--- /dev/null
+++ b/google/ads/googleads/v0/enums/budget_delivery_method.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BudgetDeliveryMethodProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Budget delivery methods.
+
+// Message describing Budget delivery methods. A delivery method determines the
+// rate at which the Budget is spent.
+message BudgetDeliveryMethodEnum {
+  // Possible delivery methods of a Budget.
+  enum BudgetDeliveryMethod {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The budget server will throttle serving evenly across
+    // the entire time period.
+    STANDARD = 2;
+
+    // The budget server will not throttle serving,
+    // and ads will serve as fast as possible.
+    ACCELERATED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/budget_status.proto b/google/ads/googleads/v0/enums/budget_status.proto
new file mode 100644
index 000000000..748a952ff
--- /dev/null
+++ b/google/ads/googleads/v0/enums/budget_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "BudgetStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Budget statuses
+
+// Message describing a Budget status
+message BudgetStatusEnum {
+  // Possible statuses of a Budget.
+  enum BudgetStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Budget is enabled.
+    ENABLED = 2;
+
+    // Budget is removed.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/call_conversion_reporting_state.proto b/google/ads/googleads/v0/enums/call_conversion_reporting_state.proto
new file mode 100644
index 000000000..46737192d
--- /dev/null
+++ b/google/ads/googleads/v0/enums/call_conversion_reporting_state.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CallConversionReportingStateProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing call conversion reporting state.
+
+// Container for enum describing possible data types for call conversion
+// reporting state.
+message CallConversionReportingStateEnum {
+  // Possible data types for a call conversion action state.
+  enum CallConversionReportingState {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Call conversion action is disabled.
+    DISABLED = 2;
+
+    // Call conversion action will use call conversion type set at the
+    // account level.
+    USE_ACCOUNT_LEVEL_CALL_CONVERSION_ACTION = 3;
+
+    // Call conversion action will use call conversion type set at the resource
+    // (call only ads/call extensions) level.
+    USE_RESOURCE_LEVEL_CALL_CONVERSION_ACTION = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/call_placeholder_field.proto b/google/ads/googleads/v0/enums/call_placeholder_field.proto
new file mode 100644
index 000000000..67b055c85
--- /dev/null
+++ b/google/ads/googleads/v0/enums/call_placeholder_field.proto
@@ -0,0 +1,63 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CallPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Call placeholder fields.
+message CallPlaceholderFieldEnum {
+  // Possible values for Call placeholder fields.
+  enum CallPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The advertiser's phone number to append to the ad.
+    PHONE_NUMBER = 2;
+
+    // Data Type: STRING. Uppercase two-letter country code of the advertiser's
+    // phone number.
+    COUNTRY_CODE = 3;
+
+    // Data Type: BOOLEAN. Indicates whether call tracking is enabled. Default:
+    // true.
+    TRACKED = 4;
+
+    // Data Type: INT64. The ID of an AdCallMetricsConversion object. This
+    // object contains the phoneCallDurationfield which is the minimum duration
+    // (in seconds) of a call to be considered a conversion.
+    CONVERSION_TYPE_ID = 5;
+
+    // Data Type: STRING. Indicates whether this call extension uses its own
+    // call conversion setting or follows the account level setting.
+    // Valid values are: USE_ACCOUNT_LEVEL_CALL_CONVERSION_ACTION and
+    // USE_RESOURCE_LEVEL_CALL_CONVERSION_ACTION.
+    CONVERSION_REPORTING_STATE = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/callout_placeholder_field.proto b/google/ads/googleads/v0/enums/callout_placeholder_field.proto
new file mode 100644
index 000000000..85d796709
--- /dev/null
+++ b/google/ads/googleads/v0/enums/callout_placeholder_field.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CalloutPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Callout placeholder fields.
+message CalloutPlaceholderFieldEnum {
+  // Possible values for Callout placeholder fields.
+  enum CalloutPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Callout text.
+    CALLOUT_TEXT = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/campaign_group_status.proto b/google/ads/googleads/v0/enums/campaign_group_status.proto
new file mode 100644
index 000000000..19462d171
--- /dev/null
+++ b/google/ads/googleads/v0/enums/campaign_group_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignGroupStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing CampaignGroup statuses.
+
+// Message describing CampaignGroup statuses.
+message CampaignGroupStatusEnum {
+  // Possible statuses of a CampaignGroup.
+  enum CampaignGroupStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Campaign group is currently serving ads depending on budget information.
+    ENABLED = 2;
+
+    // Campaign group has been removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/campaign_serving_status.proto b/google/ads/googleads/v0/enums/campaign_serving_status.proto
new file mode 100644
index 000000000..c5cbe7221
--- /dev/null
+++ b/google/ads/googleads/v0/enums/campaign_serving_status.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignServingStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Campaign serving statuses.
+
+// Message describing Campaign serving statuses.
+message CampaignServingStatusEnum {
+  // Possible serving statuses of a campaign.
+  enum CampaignServingStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Serving.
+    SERVING = 2;
+
+    // None.
+    NONE = 3;
+
+    // Ended.
+    ENDED = 4;
+
+    // Pending.
+    PENDING = 5;
+
+    // Suspended.
+    SUSPENDED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/campaign_shared_set_status.proto b/google/ads/googleads/v0/enums/campaign_shared_set_status.proto
new file mode 100644
index 000000000..9af603c79
--- /dev/null
+++ b/google/ads/googleads/v0/enums/campaign_shared_set_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignSharedSetStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing campaign shared set statuses.
+
+// Container for enum describing types of campaign shared set statuses.
+message CampaignSharedSetStatusEnum {
+  // Enum listing the possible campaign shared set statuses.
+  enum CampaignSharedSetStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The campaign shared set is enabled.
+    ENABLED = 2;
+
+    // The campaign shared set is removed and can no longer be used.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/campaign_status.proto b/google/ads/googleads/v0/enums/campaign_status.proto
new file mode 100644
index 000000000..895376fc4
--- /dev/null
+++ b/google/ads/googleads/v0/enums/campaign_status.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing campaign status.
+
+// Container for enum describing possible statuses of a campaign.
+message CampaignStatusEnum {
+  // Possible statuses of a campaign.
+  enum CampaignStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Campaign is currently serving ads depending on budget information.
+    ENABLED = 2;
+
+    // Campaign has been paused by the user.
+    PAUSED = 3;
+
+    // Campaign has been removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/change_status_operation.proto b/google/ads/googleads/v0/enums/change_status_operation.proto
new file mode 100644
index 000000000..80beb54d7
--- /dev/null
+++ b/google/ads/googleads/v0/enums/change_status_operation.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ChangeStatusOperationProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the change status operations.
+
+// Container for enum describing operations for the ChangeStatus resource.
+message ChangeStatusOperationEnum {
+  // Status of the changed resource
+  enum ChangeStatusOperation {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents an unclassified resource unknown
+    // in this version.
+    UNKNOWN = 1;
+
+    // The resource was created.
+    ADDED = 2;
+
+    // The resource was modified.
+    CHANGED = 3;
+
+    // The resource was removed.
+    REMOVED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/change_status_resource_type.proto b/google/ads/googleads/v0/enums/change_status_resource_type.proto
new file mode 100644
index 000000000..c56436f1a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/change_status_resource_type.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ChangeStatusResourceTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the resource types the ChangeStatus resource supports.
+
+// Container for enum describing supported resource types for the ChangeStatus
+// resource.
+message ChangeStatusResourceTypeEnum {
+  // Enum listing the resource types support by the ChangeStatus resource.
+  enum ChangeStatusResourceType {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents an unclassified resource unknown
+    // in this version.
+    UNKNOWN = 1;
+
+    // An AdGroup resource change.
+    AD_GROUP = 3;
+
+    // An AdGroupAd resource change.
+    AD_GROUP_AD = 4;
+
+    // An AdGroupCriterion resource change.
+    AD_GROUP_CRITERION = 5;
+
+    // A Campaign resource change.
+    CAMPAIGN = 6;
+
+    // A CampaignCriterion resource change.
+    CAMPAIGN_CRITERION = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/content_label_type.proto b/google/ads/googleads/v0/enums/content_label_type.proto
new file mode 100644
index 000000000..d9fa00d1b
--- /dev/null
+++ b/google/ads/googleads/v0/enums/content_label_type.proto
@@ -0,0 +1,86 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ContentLabelTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing content label types.
+
+// Container for enum describing content label types in ContentLabel.
+message ContentLabelTypeEnum {
+  // Enum listing the content label types supported by ContentLabel criterion.
+  enum ContentLabelType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Sexually suggestive content.
+    SEXUALLY_SUGGESTIVE = 2;
+
+    // Below the fold placement.
+    BELOW_THE_FOLD = 3;
+
+    // Parked domain.
+    PARKED_DOMAIN = 4;
+
+    // Game.
+    GAME = 5;
+
+    // Juvenile, gross & bizarre content.
+    JUVENILE = 6;
+
+    // Profanity & rough language.
+    PROFANITY = 7;
+
+    // Death & tragedy.
+    TRAGEDY = 8;
+
+    // Video.
+    VIDEO = 9;
+
+    // Content rating: G.
+    VIDEO_RATING_DV_G = 10;
+
+    // Content rating: PG.
+    VIDEO_RATING_DV_PG = 11;
+
+    // Content rating: T.
+    VIDEO_RATING_DV_T = 12;
+
+    // Content rating: MA.
+    VIDEO_RATING_DV_MA = 13;
+
+    // Content rating: not yet rated.
+    VIDEO_NOT_YET_RATED = 14;
+
+    // Embedded video.
+    EMBEDDED_VIDEO = 15;
+
+    // Live streaming video.
+    LIVE_STREAMING_VIDEO = 16;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/conversion_action_category.proto b/google/ads/googleads/v0/enums/conversion_action_category.proto
new file mode 100644
index 000000000..a490aad64
--- /dev/null
+++ b/google/ads/googleads/v0/enums/conversion_action_category.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionCategoryProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Container for enum describing the category of conversions that are associated
+// with a ConversionAction.
+message ConversionActionCategoryEnum {
+  // The category of conversions that are associated with a ConversionAction.
+  enum ConversionActionCategory {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Default category.
+    DEFAULT = 2;
+
+    // User visiting a page.
+    PAGE_VIEW = 3;
+
+    // Purchase, sales, or "order placed" event.
+    PURCHASE = 4;
+
+    // Signup user action.
+    SIGNUP = 5;
+
+    // Lead-generating action.
+    LEAD = 6;
+
+    // Software download action (as for an app).
+    DOWNLOAD = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/conversion_action_counting_type.proto b/google/ads/googleads/v0/enums/conversion_action_counting_type.proto
new file mode 100644
index 000000000..5dfa4a2bf
--- /dev/null
+++ b/google/ads/googleads/v0/enums/conversion_action_counting_type.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionCountingTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing conversion action counting type.
+
+// Container for enum describing the conversion deduplication mode for
+// conversion optimizer.
+message ConversionActionCountingTypeEnum {
+  // Indicates how conversions for this action will be counted. For more
+  // information, see https://support.google.com/google-ads/answer/3438531.
+  enum ConversionActionCountingType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Count only one conversion per click.
+    ONE_PER_CLICK = 2;
+
+    // Count all conversions per click.
+    MANY_PER_CLICK = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/conversion_action_status.proto b/google/ads/googleads/v0/enums/conversion_action_status.proto
new file mode 100644
index 000000000..2784f61e3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/conversion_action_status.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing conversion action status.
+
+// Container for enum describing possible statuses of a conversion action.
+message ConversionActionStatusEnum {
+  // Possible statuses of a conversion action.
+  enum ConversionActionStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Conversions will be recorded.
+    ENABLED = 2;
+
+    // Conversions will not be recorded.
+    REMOVED = 3;
+
+    // Conversions will not be recorded and the conversion action will not
+    // appear in the UI.
+    HIDDEN = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/conversion_action_type.proto b/google/ads/googleads/v0/enums/conversion_action_type.proto
new file mode 100644
index 000000000..9909af5aa
--- /dev/null
+++ b/google/ads/googleads/v0/enums/conversion_action_type.proto
@@ -0,0 +1,70 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing conversion action type.
+
+// Container for enum describing possible types of a conversion action.
+message ConversionActionTypeEnum {
+  // Possible types of a conversion action.
+  enum ConversionActionType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Conversions that occur when a user clicks on an ad's call extension.
+    AD_CALL = 2;
+
+    // Conversions that occur when a user on a mobile device clicks a phone
+    // number.
+    CLICK_TO_CALL = 3;
+
+    // Conversions that occur when a user downloads a mobile app from the Google
+    // Play Store.
+    GOOGLE_PLAY_DOWNLOAD = 4;
+
+    // Conversions that occur when a user makes a purchase in an app through
+    // Android billing.
+    GOOGLE_PLAY_IN_APP_PURCHASE = 5;
+
+    // Call conversions that are tracked by the advertiser and uploaded.
+    UPLOAD_CALLS = 6;
+
+    // Conversions that are tracked by the advertiser and uploaded with
+    // attributed clicks.
+    UPLOAD_CLICKS = 7;
+
+    // Conversions that occur on a webpage.
+    WEBPAGE = 8;
+
+    // Conversions that occur when a user calls a dynamically-generated phone
+    // number from an advertiser's website.
+    WEBSITE_CALL = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/criterion_category_channel_availability_mode.proto b/google/ads/googleads/v0/enums/criterion_category_channel_availability_mode.proto
new file mode 100644
index 000000000..f549c9277
--- /dev/null
+++ b/google/ads/googleads/v0/enums/criterion_category_channel_availability_mode.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CriterionCategoryChannelAvailabilityModeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the criterion category channel availability mode.
+
+// Describes channel availability mode for a criterion availability - whether
+// the availability is meant to include all advertising channels, or a
+// particular channel with all its channel subtypes, or a channel with a certain
+// subset of channel subtypes.
+message CriterionCategoryChannelAvailabilityModeEnum {
+  // Enum containing the possible CriterionCategoryChannelAvailabilityMode.
+  enum CriterionCategoryChannelAvailabilityMode {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The category is available to campaigns of all channel types and subtypes.
+    ALL_CHANNELS = 2;
+
+    // The category is available to campaigns of a specific channel type,
+    // including all subtypes under it.
+    CHANNEL_TYPE_AND_ALL_SUBTYPES = 3;
+
+    // The category is available to campaigns of a specific channel type and
+    // subtype(s).
+    CHANNEL_TYPE_AND_SUBSET_SUBTYPES = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/criterion_category_locale_availability_mode.proto b/google/ads/googleads/v0/enums/criterion_category_locale_availability_mode.proto
new file mode 100644
index 000000000..3da58c1a3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/criterion_category_locale_availability_mode.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CriterionCategoryLocaleAvailabilityModeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the criterion category locale availability mode.
+
+// Describes locale availabilty mode for a criterion availability - whether
+// it's available globally, or a particular country with all languages, or a
+// particular language with all countries, or a country-language pair.
+message CriterionCategoryLocaleAvailabilityModeEnum {
+  // Enum containing the possible CriterionCategoryLocaleAvailabilityMode.
+  enum CriterionCategoryLocaleAvailabilityMode {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The category is available to campaigns of all locales.
+    ALL_LOCALES = 2;
+
+    // The category is available to campaigns within a list of countries,
+    // regardless of language.
+    COUNTRY_AND_ALL_LANGUAGES = 3;
+
+    // The category is available to campaigns within a list of languages,
+    // regardless of country.
+    LANGUAGE_AND_ALL_COUNTRIES = 4;
+
+    // The category is available to campaigns within a list of country, language
+    // pairs.
+    COUNTRY_AND_LANGUAGE = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/criterion_type.proto b/google/ads/googleads/v0/enums/criterion_type.proto
new file mode 100644
index 000000000..d86dd989f
--- /dev/null
+++ b/google/ads/googleads/v0/enums/criterion_type.proto
@@ -0,0 +1,104 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CriterionTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing criteria types.
+
+// The possible types of a criterion.
+message CriterionTypeEnum {
+  // Enum describing possible criterion types.
+  enum CriterionType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Keyword. e.g. 'mars cruise'.
+    KEYWORD = 2;
+
+    // Placement, aka Website. e.g. 'www.flowers4sale.com'
+    PLACEMENT = 3;
+
+    // Devices to target.
+    DEVICE = 6;
+
+    // Locations to target.
+    LOCATION = 7;
+
+    // Listing groups to target.
+    LISTING_GROUP = 8;
+
+    // Ad Schedule.
+    AD_SCHEDULE = 9;
+
+    // Age range.
+    AGE_RANGE = 10;
+
+    // Gender.
+    GENDER = 11;
+
+    // Income Range.
+    INCOME_RANGE = 12;
+
+    // Parental status.
+    PARENTAL_STATUS = 13;
+
+    // YouTube Video.
+    YOUTUBE_VIDEO = 14;
+
+    // YouTube Channel.
+    YOUTUBE_CHANNEL = 15;
+
+    // User list.
+    USER_LIST = 16;
+
+    // Proximity.
+    PROXIMITY = 17;
+
+    // A topic target on the display network (e.g. "Pets & Animals").
+    TOPIC = 18;
+
+    // Listing scope to target.
+    LISTING_SCOPE = 19;
+
+    // Language.
+    LANGUAGE = 20;
+
+    // IpBlock.
+    IP_BLOCK = 21;
+
+    // Content Label for category exclusion.
+    CONTENT_LABEL = 22;
+
+    // Carrier.
+    CARRIER = 23;
+
+    // A category the user is interested in.
+    USER_INTEREST = 24;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/custom_placeholder_field.proto b/google/ads/googleads/v0/enums/custom_placeholder_field.proto
new file mode 100644
index 000000000..9e35a26b9
--- /dev/null
+++ b/google/ads/googleads/v0/enums/custom_placeholder_field.proto
@@ -0,0 +1,126 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CustomPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Custom placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message CustomPlaceholderFieldEnum {
+  // Possible values for Custom placeholder fields.
+  enum CustomPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Combination ID and ID2 must be unique per
+    // offer.
+    ID = 2;
+
+    // Data Type: STRING. Combination ID and ID2 must be unique per offer.
+    ID2 = 3;
+
+    // Data Type: STRING. Required. Main headline with product name to be shown
+    // in dynamic ad.
+    ITEM_TITLE = 4;
+
+    // Data Type: STRING. Optional text to be shown in the image ad.
+    ITEM_SUBTITLE = 5;
+
+    // Data Type: STRING. Optional description of the product to be shown in the
+    // ad.
+    ITEM_DESCRIPTION = 6;
+
+    // Data Type: STRING. Full address of your offer or service, including
+    // postal code. This will be used to identify the closest product to the
+    // user when there are multiple offers in the feed that are relevant to the
+    // user.
+    ITEM_ADDRESS = 7;
+
+    // Data Type: STRING. Price to be shown in the ad.
+    // Example: "100.00 USD"
+    PRICE = 8;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 9;
+
+    // Data Type: STRING. Sale price to be shown in the ad.
+    // Example: "80.00 USD"
+    SALE_PRICE = 10;
+
+    // Data Type: STRING. Formatted sale price to be shown in the ad.
+    // Example: "On sale for $80.00", "$60 - $80"
+    FORMATTED_SALE_PRICE = 11;
+
+    // Data Type: URL. Image to be displayed in the ad. Highly recommended for
+    // image ads.
+    IMAGE_URL = 12;
+
+    // Data Type: STRING. Used as a recommendation engine signal to serve items
+    // in the same category.
+    ITEM_CATEGORY = 13;
+
+    // Data Type: URL_LIST. Final URLs for the ad when using Upgraded
+    // URLs. User will be redirected to these URLs when they click on an ad, or
+    // when they click on a specific product for ads that have multiple
+    // products.
+    FINAL_URLS = 14;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 15;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 16;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 17;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 18;
+
+    // Data Type: STRING_LIST. List of recommended IDs to show together with
+    // this item.
+    SIMILAR_IDS = 19;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 20;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 21;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/customer_match_upload_key_type.proto b/google/ads/googleads/v0/enums/customer_match_upload_key_type.proto
new file mode 100644
index 000000000..17e4eeeaa
--- /dev/null
+++ b/google/ads/googleads/v0/enums/customer_match_upload_key_type.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerMatchUploadKeyTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Indicates what type of data are the user list's members matched from.
+message CustomerMatchUploadKeyTypeEnum {
+  // Enum describing possible customer match upload key types.
+  enum CustomerMatchUploadKeyType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Members are matched from customer info such as email address, phone
+    // number or physical address.
+    CONTACT_INFO = 2;
+
+    // Members are matched from a user id generated and assigned by the
+    // advertiser.
+    CRM_ID = 3;
+
+    // Members are matched from mobile advertising ids.
+    MOBILE_ADVERTISING_ID = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/data_driven_model_status.proto b/google/ads/googleads/v0/enums/data_driven_model_status.proto
new file mode 100644
index 000000000..956b299c5
--- /dev/null
+++ b/google/ads/googleads/v0/enums/data_driven_model_status.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "DataDrivenModelStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing data-driven model status.
+
+// Container for enum indicating data driven model status.
+message DataDrivenModelStatusEnum {
+  // Enumerates data driven model statuses.
+  enum DataDrivenModelStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The data driven model is available.
+    AVAILABLE = 2;
+
+    // The data driven model is stale. It hasn't been updated for at least 7
+    // days. It is still being used, but will become expired if it does not get
+    // updated for 30 days.
+    STALE = 3;
+
+    // The data driven model expired. It hasn't been updated for at least 30
+    // days and cannot be used. Most commonly this is because there hasn't been
+    // the required number of events in a recent 30-day period.
+    EXPIRED = 4;
+
+    // The data driven model has never been generated. Most commonly this is
+    // because there has never been the required number of events in any 30-day
+    // period.
+    NEVER_GENERATED = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/day_of_week.proto b/google/ads/googleads/v0/enums/day_of_week.proto
new file mode 100644
index 000000000..cfcc6f753
--- /dev/null
+++ b/google/ads/googleads/v0/enums/day_of_week.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "DayOfWeekProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing days of week.
+
+// Container for enumeration of days of the week, e.g., "Monday".
+message DayOfWeekEnum {
+  // Enumerates days of the week, e.g., "Monday".
+  enum DayOfWeek {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Monday.
+    MONDAY = 2;
+
+    // Tuesday.
+    TUESDAY = 3;
+
+    // Wednesday.
+    WEDNESDAY = 4;
+
+    // Thursday.
+    THURSDAY = 5;
+
+    // Friday.
+    FRIDAY = 6;
+
+    // Saturday.
+    SATURDAY = 7;
+
+    // Sunday.
+    SUNDAY = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/device.proto b/google/ads/googleads/v0/enums/device.proto
new file mode 100644
index 000000000..35b1ce613
--- /dev/null
+++ b/google/ads/googleads/v0/enums/device.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "DeviceProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing devices.
+
+// Container for enumeration of Google Ads devices available for targeting.
+message DeviceEnum {
+  // Enumerates Google Ads devices available for targeting.
+  enum Device {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Mobile devices with full browsers.
+    MOBILE = 2;
+
+    // Tablets with full browsers.
+    TABLET = 3;
+
+    // Computers.
+    DESKTOP = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/display_ad_format_setting.proto b/google/ads/googleads/v0/enums/display_ad_format_setting.proto
new file mode 100644
index 000000000..e956bbbcf
--- /dev/null
+++ b/google/ads/googleads/v0/enums/display_ad_format_setting.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "DisplayAdFormatSettingProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing display ad format settings.
+
+// Container for display ad format settings.
+message DisplayAdFormatSettingEnum {
+  // Enumerates display ad format settings.
+  enum DisplayAdFormatSetting {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Text, image and native formats.
+    ALL_FORMATS = 2;
+
+    // Text and image formats.
+    NON_NATIVE = 3;
+
+    // Native format, i.e. the format rendering is controlled by the publisher
+    // and not by Google.
+    NATIVE = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/education_placeholder_field.proto b/google/ads/googleads/v0/enums/education_placeholder_field.proto
new file mode 100644
index 000000000..7831935af
--- /dev/null
+++ b/google/ads/googleads/v0/enums/education_placeholder_field.proto
@@ -0,0 +1,108 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "EducationPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Education placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message EducationPlaceholderFieldEnum {
+  // Possible values for Education placeholder fields.
+  enum EducationPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Combination of PROGRAM ID and LOCATION ID
+    // must be unique per offer.
+    PROGRAM_ID = 2;
+
+    // Data Type: STRING. Combination of PROGRAM ID and LOCATION ID must be
+    // unique per offer.
+    LOCATION_ID = 3;
+
+    // Data Type: STRING. Required. Main headline with program name to be shown
+    // in dynamic ad.
+    PROGRAM_NAME = 4;
+
+    // Data Type: STRING. Area of study that can be shown in dynamic ad.
+    AREA_OF_STUDY = 5;
+
+    // Data Type: STRING. Description of program that can be shown in dynamic
+    // ad.
+    PROGRAM_DESCRIPTION = 6;
+
+    // Data Type: STRING. Name of school that can be shown in dynamic ad.
+    SCHOOL_NAME = 7;
+
+    // Data Type: STRING. Complete school address, including postal code.
+    ADDRESS = 8;
+
+    // Data Type: URL. Image to be displayed in ads.
+    THUMBNAIL_IMAGE_URL = 9;
+
+    // Data Type: URL. Alternative hosted file of image to be used in the ad.
+    ALTERNATIVE_THUMBNAIL_IMAGE_URL = 10;
+
+    // Data Type: URL_LIST. Required. Final URLs to be used in ad when using
+    // Upgraded URLs; the more specific the better (e.g. the individual URL of a
+    // specific program and its location).
+    FINAL_URLS = 11;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 12;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 13;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 14;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 15;
+
+    // Data Type: STRING_LIST. List of recommended program IDs to show together
+    // with this item.
+    SIMILAR_PROGRAM_IDS = 16;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 17;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 18;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_attribute_type.proto b/google/ads/googleads/v0/enums/feed_attribute_type.proto
new file mode 100644
index 000000000..f78770195
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_attribute_type.proto
@@ -0,0 +1,80 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedAttributeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed attribute type.
+
+// Container for enum describing possible data types for a feed attribute.
+message FeedAttributeTypeEnum {
+  // Possible data types for a feed attribute.
+  enum FeedAttributeType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Int64.
+    INT64 = 2;
+
+    // Double.
+    DOUBLE = 3;
+
+    // String.
+    STRING = 4;
+
+    // Boolean.
+    BOOLEAN = 5;
+
+    // Url.
+    URL = 6;
+
+    // Datetime.
+    DATE_TIME = 7;
+
+    // Int64 list.
+    INT64_LIST = 8;
+
+    // Double (8 bytes) list.
+    DOUBLE_LIST = 9;
+
+    // String list.
+    STRING_LIST = 10;
+
+    // Boolean list.
+    BOOLEAN_LIST = 11;
+
+    // Url list.
+    URL_LIST = 12;
+
+    // Datetime list.
+    DATE_TIME_LIST = 13;
+
+    // Price.
+    PRICE = 14;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_item_status.proto b/google/ads/googleads/v0/enums/feed_item_status.proto
new file mode 100644
index 000000000..17c535b4e
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_item_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedItemStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed item status.
+
+// Container for enum describing possible statuses of a feed item.
+message FeedItemStatusEnum {
+  // Possible statuses of a feed item.
+  enum FeedItemStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Feed item is enabled.
+    ENABLED = 2;
+
+    // Feed item has been removed.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_link_status.proto b/google/ads/googleads/v0/enums/feed_link_status.proto
new file mode 100644
index 000000000..d28f24a39
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_link_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedLinkStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing status of a feed link.
+
+// Container for an enum describing possible statuses of a feed link.
+message FeedLinkStatusEnum {
+  // Possible statuses of a feed link.
+  enum FeedLinkStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Feed link is enabled.
+    ENABLED = 2;
+
+    // Feed link has been removed.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_mapping_criterion_type.proto b/google/ads/googleads/v0/enums/feed_mapping_criterion_type.proto
new file mode 100644
index 000000000..d99f1c988
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_mapping_criterion_type.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedMappingCriterionTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing criterion types for feed mappings.
+
+// Container for enum describing possible criterion types for a feed mapping.
+message FeedMappingCriterionTypeEnum {
+  // Possible placeholder types for a feed mapping.
+  enum FeedMappingCriterionType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Allows campaign targeting at locations within a location feed.
+    CAMPAIGN_LOCATION_TARGETS = 2;
+
+    // Allows url targeting for your dynamic search ads within a page feed.
+    DSA_PAGE_FEED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_mapping_status.proto b/google/ads/googleads/v0/enums/feed_mapping_status.proto
new file mode 100644
index 000000000..848e65e38
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_mapping_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedMappingStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed mapping status.
+
+// Container for enum describing possible statuses of a feed mapping.
+message FeedMappingStatusEnum {
+  // Possible statuses of a feed mapping.
+  enum FeedMappingStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Feed mapping is enabled.
+    ENABLED = 2;
+
+    // Feed mapping has been removed.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_origin.proto b/google/ads/googleads/v0/enums/feed_origin.proto
new file mode 100644
index 000000000..ca9244f53
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_origin.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedOriginProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed origin.
+
+// Container for enum describing possible values for a feed origin.
+message FeedOriginEnum {
+  // Possible values for a feed origin.
+  enum FeedOrigin {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The FeedAttributes for this Feed are managed by the
+    // user. Users can add FeedAttributes to this Feed.
+    USER = 2;
+
+    // The FeedAttributes for an GOOGLE Feed are created by Google. A feed of
+    // this type is maintained by Google and will have the correct attributes
+    // for the placeholder type of the feed.
+    GOOGLE = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/feed_status.proto b/google/ads/googleads/v0/enums/feed_status.proto
new file mode 100644
index 000000000..ab5f7aebd
--- /dev/null
+++ b/google/ads/googleads/v0/enums/feed_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FeedStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed status.
+
+// Container for enum describing possible statuses of a feed.
+message FeedStatusEnum {
+  // Possible statuses of a feed.
+  enum FeedStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Feed is enabled.
+    ENABLED = 2;
+
+    // Feed has been removed.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/flight_placeholder_field.proto b/google/ads/googleads/v0/enums/flight_placeholder_field.proto
new file mode 100644
index 000000000..8dc7c4bf7
--- /dev/null
+++ b/google/ads/googleads/v0/enums/flight_placeholder_field.proto
@@ -0,0 +1,115 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FlightsPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Flight placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message FlightPlaceholderFieldEnum {
+  // Possible values for Flight placeholder fields.
+  enum FlightPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Destination id. Example: PAR, LON.
+    // For feed items that only have destination id, destination id must be a
+    // unique key. For feed items that have both destination id and origin id,
+    // then the combination must be a unique key.
+    DESTINATION_ID = 2;
+
+    // Data Type: STRING. Origin id. Example: PAR, LON.
+    // Optional. Combination of destination id and origin id must be unique per
+    // offer.
+    ORIGIN_ID = 3;
+
+    // Data Type: STRING. Required. Main headline with product name to be shown
+    // in dynamic ad.
+    FLIGHT_DESCRIPTION = 4;
+
+    // Data Type: STRING. Shorter names are recommended.
+    ORIGIN_NAME = 5;
+
+    // Data Type: STRING. Shorter names are recommended.
+    DESTINATION_NAME = 6;
+
+    // Data Type: STRING. Price to be shown in the ad.
+    // Example: "100.00 USD"
+    FLIGHT_PRICE = 7;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 8;
+
+    // Data Type: STRING. Sale price to be shown in the ad.
+    // Example: "80.00 USD"
+    FLIGHT_SALE_PRICE = 9;
+
+    // Data Type: STRING. Formatted sale price to be shown in the ad.
+    // Example: "On sale for $80.00", "$60 - $80"
+    FORMATTED_SALE_PRICE = 10;
+
+    // Data Type: URL. Image to be displayed in the ad.
+    IMAGE_URL = 11;
+
+    // Data Type: URL_LIST. Required. Final URLs for the ad when using Upgraded
+    // URLs. User will be redirected to these URLs when they click on an ad, or
+    // when they click on a specific flight for ads that show multiple
+    // flights.
+    FINAL_URLS = 12;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 13;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 14;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 15;
+
+    // Data Type: STRING_LIST. List of recommended destination IDs to show
+    // together with this item.
+    SIMILAR_DESTINATION_IDS = 16;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 17;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 18;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/frequency_cap_event_type.proto b/google/ads/googleads/v0/enums/frequency_cap_event_type.proto
new file mode 100644
index 000000000..29f97a1dc
--- /dev/null
+++ b/google/ads/googleads/v0/enums/frequency_cap_event_type.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FrequencyCapEventTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing frequency caps.
+
+// Container for enum describing the type of event that the cap applies to.
+message FrequencyCapEventTypeEnum {
+  // The type of event that the cap applies to (e.g. impression).
+  enum FrequencyCapEventType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The cap applies on ad impressions.
+    IMPRESSION = 2;
+
+    // The cap applies on video ad views.
+    VIDEO_VIEW = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/frequency_cap_level.proto b/google/ads/googleads/v0/enums/frequency_cap_level.proto
new file mode 100644
index 000000000..7e1d6d21e
--- /dev/null
+++ b/google/ads/googleads/v0/enums/frequency_cap_level.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FrequencyCapLevelProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing frequency caps.
+
+// Container for enum describing the level on which the cap is to be applied.
+message FrequencyCapLevelEnum {
+  // The level on which the cap is to be applied (e.g ad group ad, ad group).
+  // Cap is applied to all the resources of this level.
+  enum FrequencyCapLevel {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The cap is applied at the ad group ad level.
+    AD_GROUP_AD = 2;
+
+    // The cap is applied at the ad group level.
+    AD_GROUP = 3;
+
+    // The cap is applied at the campaign level.
+    CAMPAIGN = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/frequency_cap_time_unit.proto b/google/ads/googleads/v0/enums/frequency_cap_time_unit.proto
new file mode 100644
index 000000000..58621fc39
--- /dev/null
+++ b/google/ads/googleads/v0/enums/frequency_cap_time_unit.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "FrequencyCapTimeUnitProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing frequency caps.
+
+// Container for enum describing the unit of time the cap is defined at.
+message FrequencyCapTimeUnitEnum {
+  // Unit of time the cap is defined at (e.g. day, week).
+  enum FrequencyCapTimeUnit {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The cap would define limit per one day.
+    DAY = 2;
+
+    // The cap would define limit per one week.
+    WEEK = 3;
+
+    // The cap would define limit per one month.
+    MONTH = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/gender_type.proto b/google/ads/googleads/v0/enums/gender_type.proto
new file mode 100644
index 000000000..c6c320011
--- /dev/null
+++ b/google/ads/googleads/v0/enums/gender_type.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "GenderTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing gender types.
+
+// Container for enum describing the type of demographic genders.
+message GenderTypeEnum {
+  // The type of demographic genders (e.g. female).
+  enum GenderType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Male.
+    MALE = 10;
+
+    // Female.
+    FEMALE = 11;
+
+    // Undetermined gender.
+    UNDETERMINED = 20;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/geo_target_constant_status.proto b/google/ads/googleads/v0/enums/geo_target_constant_status.proto
new file mode 100644
index 000000000..309bc6cd7
--- /dev/null
+++ b/google/ads/googleads/v0/enums/geo_target_constant_status.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "GeoTargetConstantStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing geo target constant statuses.
+
+// Container for describing the status of a geo target constant.
+message GeoTargetConstantStatusEnum {
+  // The possible statuses of a geo target constant.
+  enum GeoTargetConstantStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The geo target constant is valid.
+    ENABLED = 2;
+
+    // The geo target constant is obsolete and will be removed.
+    REMOVAL_PLANNED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/geo_targeting_restriction.proto b/google/ads/googleads/v0/enums/geo_targeting_restriction.proto
new file mode 100644
index 000000000..86725f555
--- /dev/null
+++ b/google/ads/googleads/v0/enums/geo_targeting_restriction.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "GeoTargetingRestrictionProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing GeoTargetingRestriction.
+
+// Message describing feed item geo targeting restriction.
+message GeoTargetingRestrictionEnum {
+  // A restriction used to determine if the request context's
+  // geo should be matched.
+  enum GeoTargetingRestriction {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Indicates that request context should match the physical location of
+    // the user.
+    LOCATION_OF_PRESENCE = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/google_ads_field_category.proto b/google/ads/googleads/v0/enums/google_ads_field_category.proto
new file mode 100644
index 000000000..99f6ae4e6
--- /dev/null
+++ b/google/ads/googleads/v0/enums/google_ads_field_category.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "GoogleAdsFieldCategoryProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing GoogleAdsField categories
+
+// Container for enum that determines if the described artifact is a resource
+// or a field, and if it is a field, when it segments search queries.
+message GoogleAdsFieldCategoryEnum {
+  // The category of the artifact.
+  enum GoogleAdsFieldCategory {
+    // Unspecified
+    UNSPECIFIED = 0;
+
+    // Unknown
+    UNKNOWN = 1;
+
+    // The described artifact is a resource.
+    RESOURCE = 2;
+
+    // The described artifact is a field and is an attribute of a resource.
+    // Including a resource attribute field in a query may segment the query if
+    // the resource to which it is attributed segments the resource found in
+    // the FROM clause.
+    ATTRIBUTE = 3;
+
+    // The described artifact is a field and always segments search queries.
+    SEGMENT = 5;
+
+    // The described artifact is a field and is a metric. It never segments
+    // search queries.
+    METRIC = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/google_ads_field_data_type.proto b/google/ads/googleads/v0/enums/google_ads_field_data_type.proto
new file mode 100644
index 000000000..c7ffa26c3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/google_ads_field_data_type.proto
@@ -0,0 +1,94 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "GoogleAdsFieldDataTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing GoogleAdsField data types
+
+// Container holding the various data types.
+message GoogleAdsFieldDataTypeEnum {
+  // These are the various types a GoogleAdsService artifact may take on.
+  enum GoogleAdsFieldDataType {
+    // Unspecified
+    UNSPECIFIED = 0;
+
+    // Unknown
+    UNKNOWN = 1;
+
+    // Maps to google.protobuf.BoolValue
+    //
+    // Applicable operators:  =, !=
+    BOOLEAN = 2;
+
+    // Maps to google.protobuf.StringValue. It can be compared using the set of
+    // operators specific to dates however.
+    //
+    // Applicable operators:  =, <, >, <=, >=, BETWEEN, DURING, and IN
+    DATE = 3;
+
+    // Maps to google.protobuf.DoubleValue
+    //
+    // Applicable operators:  =, !=, <, >, IN, NOT IN
+    DOUBLE = 4;
+
+    // Maps to an enum. It's specific definition can be found at type_url.
+    //
+    // Applicable operators:  =, !=, IN, NOT IN
+    ENUM = 5;
+
+    // Maps to google.protobuf.FloatValue
+    //
+    // Applicable operators:  =, !=, <, >, IN, NOT IN
+    FLOAT = 6;
+
+    // Maps to google.protobuf.Int32Value
+    //
+    // Applicable operators:  =, !=, <, >, <=, >=, BETWEEN, IN, NOT IN
+    INT32 = 7;
+
+    // Maps to google.protobuf.Int64Value
+    //
+    // Applicable operators:  =, !=, <, >, <=, >=, BETWEEN, IN, NOT IN
+    INT64 = 8;
+
+    // Maps to a protocol buffer message type. The data type's details can be
+    // found in type_url.
+    //
+    // No operators work with MESSAGE fields.
+    MESSAGE = 9;
+
+    // Maps to google.protobuf.StringValue. Represents the resource name
+    // (unique id) of a resource or one of its foreign keys.
+    //
+    // No operators work with RESOURCE_NAME fields.
+    RESOURCE_NAME = 10;
+
+    // Maps to google.protobuf.StringValue.
+    //
+    // Applicable operators:  =, !=, LIKE, NOT LIKE, IN, NOT IN
+    STRING = 11;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/hotel_date_selection_type.proto b/google/ads/googleads/v0/enums/hotel_date_selection_type.proto
new file mode 100644
index 000000000..4d4332f0f
--- /dev/null
+++ b/google/ads/googleads/v0/enums/hotel_date_selection_type.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "HotelDateSelectionTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing hotel date selection types.
+
+// Container for enum describing possible hotel date selection types
+message HotelDateSelectionTypeEnum {
+  // Enum describing possible hotel date selection types.
+  enum HotelDateSelectionType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Dates selected by default.
+    DEFAULT_SELECTION = 50;
+
+    // Dates selected by the user.
+    USER_SELECTED = 51;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/hotel_placeholder_field.proto b/google/ads/googleads/v0/enums/hotel_placeholder_field.proto
new file mode 100644
index 000000000..608de1a03
--- /dev/null
+++ b/google/ads/googleads/v0/enums/hotel_placeholder_field.proto
@@ -0,0 +1,121 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "HotelsPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Hotel placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message HotelPlaceholderFieldEnum {
+  // Possible values for Hotel placeholder fields.
+  enum HotelPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Unique ID.
+    PROPERTY_ID = 2;
+
+    // Data Type: STRING. Required. Main headline with property name to be shown
+    // in dynamic ad.
+    PROPERTY_NAME = 3;
+
+    // Data Type: STRING. Name of destination to be shown in dynamic ad.
+    DESTINATION_NAME = 4;
+
+    // Data Type: STRING. Description of destination to be shown in dynamic ad.
+    DESCRIPTION = 5;
+
+    // Data Type: STRING. Complete property address, including postal code.
+    ADDRESS = 6;
+
+    // Data Type: STRING. Price to be shown in the ad.
+    // Example: "100.00 USD"
+    PRICE = 7;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 8;
+
+    // Data Type: STRING. Sale price to be shown in the ad.
+    // Example: "80.00 USD"
+    SALE_PRICE = 9;
+
+    // Data Type: STRING. Formatted sale price to be shown in the ad.
+    // Example: "On sale for $80.00", "$60 - $80"
+    FORMATTED_SALE_PRICE = 10;
+
+    // Data Type: URL. Image to be displayed in the ad.
+    IMAGE_URL = 11;
+
+    // Data Type: STRING. Category of property used to group like items together
+    // for recommendation engine.
+    CATEGORY = 12;
+
+    // Data Type: INT64. Star rating (1 to 5) used to group like items
+    // together for recommendation engine.
+    STAR_RATING = 13;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 14;
+
+    // Data Type: URL_LIST. Required. Final URLs for the ad when using Upgraded
+    // URLs. User will be redirected to these URLs when they click on an ad, or
+    // when they click on a specific flight for ads that show multiple
+    // flights.
+    FINAL_URLS = 15;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 16;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 17;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 18;
+
+    // Data Type: STRING_LIST. List of recommended property IDs to show together
+    // with this item.
+    SIMILAR_PROPERTY_IDS = 19;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 20;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 21;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/income_range_type.proto b/google/ads/googleads/v0/enums/income_range_type.proto
new file mode 100644
index 000000000..e272d479a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/income_range_type.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "IncomeRangeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing income range types.
+
+// Container for enum describing the type of demographic income ranges.
+message IncomeRangeTypeEnum {
+  // The type of demographic income ranges (e.g. between 0% to 50%).
+  enum IncomeRangeType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // 0%-50%.
+    INCOME_RANGE_0_50 = 510001;
+
+    // 50% to 60%.
+    INCOME_RANGE_50_60 = 510002;
+
+    // 60% to 70%.
+    INCOME_RANGE_60_70 = 510003;
+
+    // 70% to 80%.
+    INCOME_RANGE_70_80 = 510004;
+
+    // 80% to 90%.
+    INCOME_RANGE_80_90 = 510005;
+
+    // Greater than 90%.
+    INCOME_RANGE_90_UP = 510006;
+
+    // Undetermined income range.
+    INCOME_RANGE_UNDETERMINED = 510000;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/interaction_type.proto b/google/ads/googleads/v0/enums/interaction_type.proto
new file mode 100644
index 000000000..786f7aa90
--- /dev/null
+++ b/google/ads/googleads/v0/enums/interaction_type.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "InteractionTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing interaction types.
+
+// Container for enum describing possible interaction types.
+message InteractionTypeEnum {
+  // Enum describing possible interaction types.
+  enum InteractionType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Calls.
+    CALLS = 8000;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/job_placeholder_field.proto b/google/ads/googleads/v0/enums/job_placeholder_field.proto
new file mode 100644
index 000000000..4a4e57bee
--- /dev/null
+++ b/google/ads/googleads/v0/enums/job_placeholder_field.proto
@@ -0,0 +1,112 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "JobsPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Job placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message JobPlaceholderFieldEnum {
+  // Possible values for Job placeholder fields.
+  enum JobPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. If only JOB_ID is specified, then it must be
+    // unique. If both JOB_ID and LOCATION_ID are specified, then the
+    // pair must be unique.
+    // ID) pair must be unique.
+    JOB_ID = 2;
+
+    // Data Type: STRING. Combination of JOB_ID and LOCATION_ID must be unique
+    // per offer.
+    LOCATION_ID = 3;
+
+    // Data Type: STRING. Required. Main headline with job title to be shown in
+    // dynamic ad.
+    TITLE = 4;
+
+    // Data Type: STRING. Job subtitle to be shown in dynamic ad.
+    SUBTITLE = 5;
+
+    // Data Type: STRING. Description of job to be shown in dynamic ad.
+    DESCRIPTION = 6;
+
+    // Data Type: URL. Image to be displayed in the ad. Highly recommended for
+    // image ads.
+    IMAGE_URL = 7;
+
+    // Data Type: STRING. Category of property used to group like items together
+    // for recommendation engine.
+    CATEGORY = 8;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 9;
+
+    // Data Type: STRING. Complete property address, including postal code.
+    ADDRESS = 10;
+
+    // Data Type: STRING. Salary or salary range of job to be shown in dynamic
+    // ad.
+    SALARY = 11;
+
+    // Data Type: URL_LIST. Required. Final URLs to be used in ad when using
+    // Upgraded URLs; the more specific the better (e.g. the individual URL of a
+    // specific job and its location).
+    FINAL_URLS = 12;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 14;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 15;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 16;
+
+    // Data Type: STRING_LIST. List of recommended job IDs to show together with
+    // this item.
+    SIMILAR_JOB_IDS = 17;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 18;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 19;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/keyword_match_type.proto b/google/ads/googleads/v0/enums/keyword_match_type.proto
new file mode 100644
index 000000000..dc832ff02
--- /dev/null
+++ b/google/ads/googleads/v0/enums/keyword_match_type.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordMatchTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Keyword match types.
+
+// Message describing Keyword match types.
+message KeywordMatchTypeEnum {
+  // Possible Keyword match types.
+  enum KeywordMatchType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Exact match.
+    EXACT = 2;
+
+    // Phrase match.
+    PHRASE = 3;
+
+    // Broad match.
+    BROAD = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/keyword_plan_competition_level.proto b/google/ads/googleads/v0/enums/keyword_plan_competition_level.proto
new file mode 100644
index 000000000..39293a5fb
--- /dev/null
+++ b/google/ads/googleads/v0/enums/keyword_plan_competition_level.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanCompetitionLevelProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Keyword Planner competition levels.
+
+// Container for enumeration of keyword competition levels. The competition
+// level indicates how competitive ad placement is for a keyword and
+// is determined by the number of advertisers bidding on that keyword relative
+// to all keywords across Google. The competition level can depend on the
+// location and Search Network targeting options you've selected.
+message KeywordPlanCompetitionLevelEnum {
+  // Competition level of a keyword.
+  enum KeywordPlanCompetitionLevel {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Low competition.
+    LOW = 2;
+
+    // Medium competition.
+    MEDIUM = 3;
+
+    // High competition.
+    HIGH = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/keyword_plan_forecast_interval.proto b/google/ads/googleads/v0/enums/keyword_plan_forecast_interval.proto
new file mode 100644
index 000000000..906311f3a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/keyword_plan_forecast_interval.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanForecastIntervalProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing keyword plan forecast intervals.
+
+// Container for enumeration of forecast intervals.
+message KeywordPlanForecastIntervalEnum {
+  // Forecast intervals.
+  enum KeywordPlanForecastInterval {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // The next week date range for keyword plan. The next week is based
+    // on the default locale of the user's account and is mostly SUN-SAT or
+    // MON-SUN.
+    // This can be different from next-7 days.
+    NEXT_WEEK = 3;
+
+    // The next month date range for keyword plan.
+    NEXT_MONTH = 4;
+
+    // The next quarter date range for keyword plan.
+    NEXT_QUARTER = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/keyword_plan_network.proto b/google/ads/googleads/v0/enums/keyword_plan_network.proto
new file mode 100644
index 000000000..da9acc200
--- /dev/null
+++ b/google/ads/googleads/v0/enums/keyword_plan_network.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanNetworkProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Keyword Planner forecastable network types.
+
+// Container for enumeration of keyword plan forecastable network types.
+message KeywordPlanNetworkEnum {
+  // Enumerates keyword plan forecastable network types.
+  enum KeywordPlanNetwork {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Google Search.
+    GOOGLE_SEARCH = 2;
+
+    // Google Search + Search partners.
+    GOOGLE_SEARCH_AND_PARTNERS = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/listing_custom_attribute_index.proto b/google/ads/googleads/v0/enums/listing_custom_attribute_index.proto
new file mode 100644
index 000000000..03ca30c31
--- /dev/null
+++ b/google/ads/googleads/v0/enums/listing_custom_attribute_index.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ListingCustomAttributeIndexProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing listing custom attributes.
+
+// Container for enum describing the index of the listing custom attribute.
+message ListingCustomAttributeIndexEnum {
+  // The index of the listing custom attribute.
+  enum ListingCustomAttributeIndex {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // First listing custom attribute.
+    CUSTOM_ATTRIBUTE_0 = 2;
+
+    // Second listing custom attribute.
+    CUSTOM_ATTRIBUTE_1 = 3;
+
+    // Third listing custom attribute.
+    CUSTOM_ATTRIBUTE_2 = 4;
+
+    // Fourth listing custom attribute.
+    CUSTOM_ATTRIBUTE_3 = 5;
+
+    // Fifth listing custom attribute.
+    CUSTOM_ATTRIBUTE_4 = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/listing_group_type.proto b/google/ads/googleads/v0/enums/listing_group_type.proto
new file mode 100644
index 000000000..2e9c1213d
--- /dev/null
+++ b/google/ads/googleads/v0/enums/listing_group_type.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ListingGroupTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing listing groups.
+
+// Container for enum describing the type of the listing group.
+message ListingGroupTypeEnum {
+  // The type of the listing group.
+  enum ListingGroupType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Subdivision of products along some listing dimension. These nodes
+    // are not used by serving to target listing entries, but is purely
+    // to define the structure of the tree.
+    SUBDIVISION = 2;
+
+    // Listing group unit that defines a bid.
+    UNIT = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/local_placeholder_field.proto b/google/ads/googleads/v0/enums/local_placeholder_field.proto
new file mode 100644
index 000000000..35abeec68
--- /dev/null
+++ b/google/ads/googleads/v0/enums/local_placeholder_field.proto
@@ -0,0 +1,116 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "LocalPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Local placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message LocalPlaceholderFieldEnum {
+  // Possible values for Local placeholder fields.
+  enum LocalPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Unique ID.
+    DEAL_ID = 2;
+
+    // Data Type: STRING. Required. Main headline with local deal title to be
+    // shown in dynamic ad.
+    DEAL_NAME = 3;
+
+    // Data Type: STRING. Local deal subtitle to be shown in dynamic ad.
+    SUBTITLE = 4;
+
+    // Data Type: STRING. Description of local deal to be shown in dynamic ad.
+    DESCRIPTION = 5;
+
+    // Data Type: STRING. Price to be shown in the ad. Highly recommended for
+    // dynamic ads. Example: "100.00 USD"
+    PRICE = 6;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 7;
+
+    // Data Type: STRING. Sale price to be shown in the ad.
+    // Example: "80.00 USD"
+    SALE_PRICE = 8;
+
+    // Data Type: STRING. Formatted sale price to be shown in the ad.
+    // Example: "On sale for $80.00", "$60 - $80"
+    FORMATTED_SALE_PRICE = 9;
+
+    // Data Type: URL. Image to be displayed in the ad.
+    IMAGE_URL = 10;
+
+    // Data Type: STRING. Complete property address, including postal code.
+    ADDRESS = 11;
+
+    // Data Type: STRING. Category of local deal used to group like items
+    // together for recommendation engine.
+    CATEGORY = 12;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 13;
+
+    // Data Type: URL_LIST. Required. Final URLs to be used in ad when using
+    // Upgraded URLs; the more specific the better (e.g. the individual URL of a
+    // specific local deal and its location).
+    FINAL_URLS = 14;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 15;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 16;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 17;
+
+    // Data Type: STRING_LIST. List of recommended local deal IDs to show
+    // together with this item.
+    SIMILAR_DEAL_IDS = 18;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 19;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 20;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/manager_link_status.proto b/google/ads/googleads/v0/enums/manager_link_status.proto
new file mode 100644
index 000000000..9649b72b3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/manager_link_status.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ManagerLinkStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Container for enum describing possible status of a manager and client link.
+message ManagerLinkStatusEnum {
+  // Possible statuses of a link.
+  enum ManagerLinkStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Indicates current in-effect relationship
+    ACTIVE = 2;
+
+    // Indicates terminated relationship
+    INACTIVE = 3;
+
+    // Indicates relationship has been requested by manager, but the client
+    // hasn't accepted yet.
+    PENDING = 4;
+
+    // Relationship was requested by the manager, but the client has refused.
+    REFUSED = 5;
+
+    // Indicates relationship has been requested by manager, but manager
+    // canceled it.
+    CANCELED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/media_type.proto b/google/ads/googleads/v0/enums/media_type.proto
new file mode 100644
index 000000000..e85ea64e3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/media_type.proto
@@ -0,0 +1,61 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "MediaTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing media types.
+
+// Container for enum describing the types of media.
+message MediaTypeEnum {
+  // The type of media.
+  enum MediaType {
+    // The media type has not been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Static image, used for image ad.
+    IMAGE = 2;
+
+    // Small image, used for map ad.
+    ICON = 3;
+
+    // ZIP file, used in fields of template ads.
+    MEDIA_BUNDLE = 4;
+
+    // Audio file.
+    AUDIO = 5;
+
+    // Video file.
+    VIDEO = 6;
+
+    // Animated image, such as animated GIF.
+    DYNAMIC_IMAGE = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/message_placeholder_field.proto b/google/ads/googleads/v0/enums/message_placeholder_field.proto
new file mode 100644
index 000000000..c845cdb64
--- /dev/null
+++ b/google/ads/googleads/v0/enums/message_placeholder_field.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "MessagePlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Message placeholder fields.
+message MessagePlaceholderFieldEnum {
+  // Possible values for Message placeholder fields.
+  enum MessagePlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The name of your business.
+    BUSINESS_NAME = 2;
+
+    // Data Type: STRING. Country code of phone number.
+    COUNTRY_CODE = 3;
+
+    // Data Type: STRING. A phone number that's capable of sending and receiving
+    // text messages.
+    PHONE_NUMBER = 4;
+
+    // Data Type: STRING. The text that will go in your click-to-message ad.
+    MESSAGE_EXTENSION_TEXT = 5;
+
+    // Data Type: STRING. The message text automatically shows in people's
+    // messaging apps when they tap to send you a message.
+    MESSAGE_TEXT = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/mime_type.proto b/google/ads/googleads/v0/enums/mime_type.proto
new file mode 100644
index 000000000..e933353df
--- /dev/null
+++ b/google/ads/googleads/v0/enums/mime_type.proto
@@ -0,0 +1,79 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "MimeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing mime types.
+
+// Container for enum describing the mime types.
+message MimeTypeEnum {
+  // The mime type
+  enum MimeType {
+    // The mime type has not been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // MIME type of image/jpeg.
+    IMAGE_JPEG = 2;
+
+    // MIME type of image/gif.
+    IMAGE_GIF = 3;
+
+    // MIME type of image/png.
+    IMAGE_PNG = 4;
+
+    // MIME type of application/x-shockwave-flash.
+    FLASH = 5;
+
+    // MIME type of text/html.
+    TEXT_HTML = 6;
+
+    // MIME type of application/pdf.
+    PDF = 7;
+
+    // MIME type of application/msword.
+    MSWORD = 8;
+
+    // MIME type of application/vnd.ms-excel.
+    MSEXCEL = 9;
+
+    // MIME type of application/rtf.
+    RTF = 10;
+
+    // MIME type of audio/wav.
+    AUDIO_WAV = 11;
+
+    // MIME type of audio/mp3.
+    AUDIO_MP3 = 12;
+
+    // MIME type of application/x-html5-ad-zip.
+    HTML5_AD_ZIP = 13;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/minute_of_hour.proto b/google/ads/googleads/v0/enums/minute_of_hour.proto
new file mode 100644
index 000000000..4b1ad79d6
--- /dev/null
+++ b/google/ads/googleads/v0/enums/minute_of_hour.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "MinuteOfHourProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing days of week.
+
+// Container for enumeration of quarter-hours.
+message MinuteOfHourEnum {
+  // Enumerates of quarter-hours. E.g. "FIFTEEN"
+  enum MinuteOfHour {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Zero minutes past the hour.
+    ZERO = 2;
+
+    // Fifteen minutes past the hour.
+    FIFTEEN = 3;
+
+    // Thirty minutes past the hour.
+    THIRTY = 4;
+
+    // Forty-five minutes past the hour.
+    FORTY_FIVE = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/month_of_year.proto b/google/ads/googleads/v0/enums/month_of_year.proto
new file mode 100644
index 000000000..f31f09186
--- /dev/null
+++ b/google/ads/googleads/v0/enums/month_of_year.proto
@@ -0,0 +1,77 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "MonthOfYearProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing days of week.
+
+// Container for enumeration of months of the year, e.g., "January".
+message MonthOfYearEnum {
+  // Enumerates months of the year, e.g., "January".
+  enum MonthOfYear {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // January.
+    JANUARY = 2;
+
+    // February.
+    FEBRUARY = 3;
+
+    // March.
+    MARCH = 4;
+
+    // April.
+    APRIL = 5;
+
+    // May.
+    MAY = 6;
+
+    // June.
+    JUNE = 7;
+
+    // July.
+    JULY = 8;
+
+    // August.
+    AUGUST = 9;
+
+    // September.
+    SEPTEMBER = 10;
+
+    // October.
+    OCTOBER = 11;
+
+    // November.
+    NOVEMBER = 12;
+
+    // December.
+    DECEMBER = 13;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/page_one_promoted_strategy_goal.proto b/google/ads/googleads/v0/enums/page_one_promoted_strategy_goal.proto
new file mode 100644
index 000000000..8d92b788c
--- /dev/null
+++ b/google/ads/googleads/v0/enums/page_one_promoted_strategy_goal.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PageOnePromotedStrategyGoalProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Container for enum describing possible strategy goals: where impressions are
+// desired to be shown on search result pages.
+message PageOnePromotedStrategyGoalEnum {
+  // Enum describing possible strategy goals.
+  enum PageOnePromotedStrategyGoal {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // First page on google.com.
+    FIRST_PAGE = 2;
+
+    // Top slots of the first page on google.com.
+    FIRST_PAGE_PROMOTED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/parental_status_type.proto b/google/ads/googleads/v0/enums/parental_status_type.proto
new file mode 100644
index 000000000..03d4e5991
--- /dev/null
+++ b/google/ads/googleads/v0/enums/parental_status_type.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ParentalStatusTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing parenal status types.
+
+// Container for enum describing the type of demographic parental statuses.
+message ParentalStatusTypeEnum {
+  // The type of parental statuses (e.g. not a parent).
+  enum ParentalStatusType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Parent.
+    PARENT = 300;
+
+    // Not a parent.
+    NOT_A_PARENT = 301;
+
+    // Undetermined parental status.
+    UNDETERMINED = 302;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/placeholder_type.proto b/google/ads/googleads/v0/enums/placeholder_type.proto
new file mode 100644
index 000000000..c1c97cfb0
--- /dev/null
+++ b/google/ads/googleads/v0/enums/placeholder_type.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PlaceholderTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing feed placeholder types.
+
+// Container for enum describing possible placeholder types for a feed mapping.
+message PlaceholderTypeEnum {
+  // Possible placeholder types for a feed mapping.
+  enum PlaceholderType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Sitelink.
+    SITELINK = 2;
+
+    // Call.
+    CALL = 3;
+
+    // App.
+    APP = 4;
+
+    // Location.
+    LOCATION = 5;
+
+    // Affiliate location.
+    AFFILIATE_LOCATION = 6;
+
+    // Callout.
+    CALLOUT = 7;
+
+    // Structured snippet.
+    STRUCTURED_SNIPPET = 8;
+
+    // Message.
+    MESSAGE = 9;
+
+    // Price.
+    PRICE = 10;
+
+    // Promotion.
+    PROMOTION = 11;
+
+    // Ad customizer.
+    AD_CUSTOMIZER = 12;
+
+    // Dynamic education.
+    DYNAMIC_EDUCATION = 13;
+
+    // Dynamic flights.
+    DYNAMIC_FLIGHT = 14;
+
+    // Dynamic custom.
+    DYNAMIC_CUSTOM = 15;
+
+    // Dynamic hotels.
+    DYNAMIC_HOTEL = 16;
+
+    // Dynamic real estate.
+    DYNAMIC_REAL_ESTATE = 17;
+
+    // Dynamic travel.
+    DYNAMIC_TRAVEL = 18;
+
+    // Dynamic local.
+    DYNAMIC_LOCAL = 19;
+
+    // Dynamic jobs.
+    DYNAMIC_JOB = 20;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/policy_approval_status.proto b/google/ads/googleads/v0/enums/policy_approval_status.proto
new file mode 100644
index 000000000..648ec60aa
--- /dev/null
+++ b/google/ads/googleads/v0/enums/policy_approval_status.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyApprovalStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing policy approval statuses.
+
+// Container for enum describing possible policy approval statuses.
+message PolicyApprovalStatusEnum {
+  // The possible policy approval statuses. When there are several approval
+  // statuses available the most severe one will be used. The order of severity
+  // is DISAPPROVED, AREA_OF_INTEREST_ONLY, APPROVED_LIMITED and APPROVED.
+  enum PolicyApprovalStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Will not serve.
+    DISAPPROVED = 2;
+
+    // Serves with restrictions.
+    APPROVED_LIMITED = 3;
+
+    // Serves without restrictions.
+    APPROVED = 4;
+
+    // Will not serve in targeted countries, but may serve for users who are
+    // searching for information about the targeted countries.
+    AREA_OF_INTEREST_ONLY = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/policy_review_status.proto b/google/ads/googleads/v0/enums/policy_review_status.proto
new file mode 100644
index 000000000..ba90890c1
--- /dev/null
+++ b/google/ads/googleads/v0/enums/policy_review_status.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyReviewStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing policy review statuses.
+
+// Container for enum describing possible policy review statuses.
+message PolicyReviewStatusEnum {
+  // The possible policy review statuses.
+  enum PolicyReviewStatus {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // Currently under review.
+    REVIEW_IN_PROGRESS = 2;
+
+    // Primary review complete. Other reviews may be continuing.
+    REVIEWED = 3;
+
+    // The resource has been resubmitted for approval or its policy decision has
+    // been appealed.
+    UNDER_APPEAL = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/policy_topic_entry_type.proto b/google/ads/googleads/v0/enums/policy_topic_entry_type.proto
new file mode 100644
index 000000000..c05681eac
--- /dev/null
+++ b/google/ads/googleads/v0/enums/policy_topic_entry_type.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyTopicEntryTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing policy topic entry types.
+
+// Container for enum describing possible policy topic entry types.
+message PolicyTopicEntryTypeEnum {
+  // The possible policy topic entry types.
+  enum PolicyTopicEntryType {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The resource will not be served.
+    PROHIBITED = 2;
+
+    // The resource will not be served under some circumstances.
+    LIMITED = 4;
+
+    // May be of interest, but does not limit how the resource is served.
+    DESCRIPTIVE = 5;
+
+    // Could increase coverage beyond normal.
+    BROADENING = 6;
+
+    // Constrained for all targeted countries, but may serve in other countries
+    // through area of interest.
+    AREA_OF_INTEREST_ONLY = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/policy_topic_evidence_destination_mismatch_url_type.proto b/google/ads/googleads/v0/enums/policy_topic_evidence_destination_mismatch_url_type.proto
new file mode 100644
index 000000000..185f72fb8
--- /dev/null
+++ b/google/ads/googleads/v0/enums/policy_topic_evidence_destination_mismatch_url_type.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyTopicEvidenceDestinationMismatchUrlTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing policy topic evidence destination mismatch url types.
+
+// Container for enum describing possible policy topic evidence destination
+// mismatch url types.
+message PolicyTopicEvidenceDestinationMismatchUrlTypeEnum {
+  // The possible policy topic evidence destination mismatch url types.
+  enum PolicyTopicEvidenceDestinationMismatchUrlType {
+    // No value has been specified.
+    UNSPECIFIED = 0;
+
+    // The received value is not known in this version.
+    //
+    // This is a response-only value.
+    UNKNOWN = 1;
+
+    // The display url.
+    DISPLAY_URL = 2;
+
+    // The final url.
+    FINAL_URL = 3;
+
+    // The final mobile url.
+    FINAL_MOBILE_URL = 4;
+
+    // The tracking url template, with substituted desktop url.
+    TRACKING_URL = 5;
+
+    // The tracking url template, with substituted mobile url.
+    MOBILE_TRACKING_URL = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/preferred_content_type.proto b/google/ads/googleads/v0/enums/preferred_content_type.proto
new file mode 100644
index 000000000..7be1f2c72
--- /dev/null
+++ b/google/ads/googleads/v0/enums/preferred_content_type.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PreferredContentTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing preferred content criterion type.
+
+// Container for enumeration of preferred content criterion type.
+message PreferredContentTypeEnum {
+  // Enumerates preferred content criterion type.
+  enum PreferredContentType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Represents top content on YouTube.
+    YOUTUBE_TOP_CONTENT = 400;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/price_placeholder_field.proto b/google/ads/googleads/v0/enums/price_placeholder_field.proto
new file mode 100644
index 000000000..62886f6b0
--- /dev/null
+++ b/google/ads/googleads/v0/enums/price_placeholder_field.proto
@@ -0,0 +1,237 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PricePlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Price placeholder fields.
+message PricePlaceholderFieldEnum {
+  // Possible values for Price placeholder fields.
+  enum PricePlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The type of your price feed. Must match one of the
+    // predefined price feed type exactly.
+    TYPE = 2;
+
+    // Data Type: STRING. The qualifier of each price. Must match one of the
+    // predefined price qualifiers exactly.
+    PRICE_QUALIFIER = 3;
+
+    // Data Type: URL. Tracking template for the price feed when using Upgraded
+    // URLs.
+    TRACKING_TEMPLATE = 4;
+
+    // Data Type: STRING. Language of the price feed. Must match one of the
+    // available available locale codes exactly.
+    LANGUAGE = 5;
+
+    // Data Type: STRING. Final URL suffix for the price feed when using
+    // parallel tracking.
+    FINAL_URL_SUFFIX = 6;
+
+    // Data Type: STRING. The header of item 1 of the table.
+    ITEM_1_HEADER = 100;
+
+    // Data Type: STRING. The description of item 1 of the table.
+    ITEM_1_DESCRIPTION = 101;
+
+    // Data Type: PRICE. The price (money with currency) of item 1 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_1_PRICE = 102;
+
+    // Data Type: STRING. The price unit of item 1 of the table. Must match one
+    // of the predefined price units.
+    ITEM_1_UNIT = 103;
+
+    // Data Type: URL_LIST. The final URLs of item 1 of the table when using
+    // Upgraded URLs.
+    ITEM_1_FINAL_URLS = 104;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 1 of the table when
+    // using Upgraded URLs.
+    ITEM_1_FINAL_MOBILE_URLS = 105;
+
+    // Data Type: STRING. The header of item 2 of the table.
+    ITEM_2_HEADER = 200;
+
+    // Data Type: STRING. The description of item 2 of the table.
+    ITEM_2_DESCRIPTION = 201;
+
+    // Data Type: PRICE. The price (money with currency) of item 2 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_2_PRICE = 202;
+
+    // Data Type: STRING. The price unit of item 2 of the table. Must match one
+    // of the predefined price units.
+    ITEM_2_UNIT = 203;
+
+    // Data Type: URL_LIST. The final URLs of item 2 of the table when using
+    // Upgraded URLs.
+    ITEM_2_FINAL_URLS = 204;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 2 of the table when
+    // using Upgraded URLs.
+    ITEM_2_FINAL_MOBILE_URLS = 205;
+
+    // Data Type: STRING. The header of item 3 of the table.
+    ITEM_3_HEADER = 300;
+
+    // Data Type: STRING. The description of item 3 of the table.
+    ITEM_3_DESCRIPTION = 301;
+
+    // Data Type: PRICE. The price (money with currency) of item 3 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_3_PRICE = 302;
+
+    // Data Type: STRING. The price unit of item 3 of the table. Must match one
+    // of the predefined price units.
+    ITEM_3_UNIT = 303;
+
+    // Data Type: URL_LIST. The final URLs of item 3 of the table when using
+    // Upgraded URLs.
+    ITEM_3_FINAL_URLS = 304;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 3 of the table when
+    // using Upgraded URLs.
+    ITEM_3_FINAL_MOBILE_URLS = 305;
+
+    // Data Type: STRING. The header of item 4 of the table.
+    ITEM_4_HEADER = 400;
+
+    // Data Type: STRING. The description of item 4 of the table.
+    ITEM_4_DESCRIPTION = 401;
+
+    // Data Type: PRICE. The price (money with currency) of item 4 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_4_PRICE = 402;
+
+    // Data Type: STRING. The price unit of item 4 of the table. Must match one
+    // of the predefined price units.
+    ITEM_4_UNIT = 403;
+
+    // Data Type: URL_LIST. The final URLs of item 4 of the table when using
+    // Upgraded URLs.
+    ITEM_4_FINAL_URLS = 404;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 4 of the table when
+    // using Upgraded URLs.
+    ITEM_4_FINAL_MOBILE_URLS = 405;
+
+    // Data Type: STRING. The header of item 5 of the table.
+    ITEM_5_HEADER = 500;
+
+    // Data Type: STRING. The description of item 5 of the table.
+    ITEM_5_DESCRIPTION = 501;
+
+    // Data Type: PRICE. The price (money with currency) of item 5 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_5_PRICE = 502;
+
+    // Data Type: STRING. The price unit of item 5 of the table. Must match one
+    // of the predefined price units.
+    ITEM_5_UNIT = 503;
+
+    // Data Type: URL_LIST. The final URLs of item 5 of the table when using
+    // Upgraded URLs.
+    ITEM_5_FINAL_URLS = 504;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 5 of the table when
+    // using Upgraded URLs.
+    ITEM_5_FINAL_MOBILE_URLS = 505;
+
+    // Data Type: STRING. The header of item 6 of the table.
+    ITEM_6_HEADER = 600;
+
+    // Data Type: STRING. The description of item 6 of the table.
+    ITEM_6_DESCRIPTION = 601;
+
+    // Data Type: PRICE. The price (money with currency) of item 6 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_6_PRICE = 602;
+
+    // Data Type: STRING. The price unit of item 6 of the table. Must match one
+    // of the predefined price units.
+    ITEM_6_UNIT = 603;
+
+    // Data Type: URL_LIST. The final URLs of item 6 of the table when using
+    // Upgraded URLs.
+    ITEM_6_FINAL_URLS = 604;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 6 of the table when
+    // using Upgraded URLs.
+    ITEM_6_FINAL_MOBILE_URLS = 605;
+
+    // Data Type: STRING. The header of item 7 of the table.
+    ITEM_7_HEADER = 700;
+
+    // Data Type: STRING. The description of item 7 of the table.
+    ITEM_7_DESCRIPTION = 701;
+
+    // Data Type: PRICE. The price (money with currency) of item 7 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_7_PRICE = 702;
+
+    // Data Type: STRING. The price unit of item 7 of the table. Must match one
+    // of the predefined price units.
+    ITEM_7_UNIT = 703;
+
+    // Data Type: URL_LIST. The final URLs of item 7 of the table when using
+    // Upgraded URLs.
+    ITEM_7_FINAL_URLS = 704;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 7 of the table when
+    // using Upgraded URLs.
+    ITEM_7_FINAL_MOBILE_URLS = 705;
+
+    // Data Type: STRING. The header of item 8 of the table.
+    ITEM_8_HEADER = 800;
+
+    // Data Type: STRING. The description of item 8 of the table.
+    ITEM_8_DESCRIPTION = 801;
+
+    // Data Type: PRICE. The price (money with currency) of item 8 of the table,
+    // e.g., 30 USD. The currency must match one of the available currencies.
+    ITEM_8_PRICE = 802;
+
+    // Data Type: STRING. The price unit of item 8 of the table. Must match one
+    // of the predefined price units.
+    ITEM_8_UNIT = 803;
+
+    // Data Type: URL_LIST. The final URLs of item 8 of the table when using
+    // Upgraded URLs.
+    ITEM_8_FINAL_URLS = 804;
+
+    // Data Type: URL_LIST. The final mobile URLs of item 8 of the table when
+    // using Upgraded URLs.
+    ITEM_8_FINAL_MOBILE_URLS = 805;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/product_channel.proto b/google/ads/googleads/v0/enums/product_channel.proto
new file mode 100644
index 000000000..2bd440970
--- /dev/null
+++ b/google/ads/googleads/v0/enums/product_channel.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ProductChannelProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Locality of a product offer.
+message ProductChannelEnum {
+  // Enum describing the locality of a product offer.
+  enum ProductChannel {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The item is sold online.
+    ONLINE = 2;
+
+    // The item is sold in local stores.
+    LOCAL = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/product_channel_exclusivity.proto b/google/ads/googleads/v0/enums/product_channel_exclusivity.proto
new file mode 100644
index 000000000..024879e0d
--- /dev/null
+++ b/google/ads/googleads/v0/enums/product_channel_exclusivity.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ProductChannelExclusivityProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Availability of a product offer.
+message ProductChannelExclusivityEnum {
+  // Enum describing the availability of a product offer.
+  enum ProductChannelExclusivity {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The item is sold through one channel only, either local stores or online
+    // as indicated by its ProductChannel.
+    SINGLE_CHANNEL = 2;
+
+    // The item is matched to its online or local stores counterpart, indicating
+    // it is available for purchase in both ShoppingProductChannels.
+    MULTI_CHANNEL = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/product_condition.proto b/google/ads/googleads/v0/enums/product_condition.proto
new file mode 100644
index 000000000..e2c9b8c34
--- /dev/null
+++ b/google/ads/googleads/v0/enums/product_condition.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ProductConditionProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Condition of a product offer.
+message ProductConditionEnum {
+  // Enum describing the condition of a product offer.
+  enum ProductCondition {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The product condition is new.
+    NEW = 3;
+
+    // The product condition is refurbished.
+    REFURBISHED = 4;
+
+    // The product condition is used.
+    USED = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/product_type_level.proto b/google/ads/googleads/v0/enums/product_type_level.proto
new file mode 100644
index 000000000..940def977
--- /dev/null
+++ b/google/ads/googleads/v0/enums/product_type_level.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ProductTypeLevelProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing bidding schemes.
+
+// Level of the type of a product offer.
+message ProductTypeLevelEnum {
+  // Enum describing the level of the type of a product offer.
+  enum ProductTypeLevel {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Level 1.
+    PRODUCT_TYPE_L1 = 2;
+
+    // Level 2.
+    PRODUCT_TYPE_L2 = 3;
+
+    // Level 3.
+    PRODUCT_TYPE_L3 = 4;
+
+    // Level 4.
+    PRODUCT_TYPE_L4 = 5;
+
+    // Level 5.
+    PRODUCT_TYPE_L5 = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/promotion_placeholder_field.proto b/google/ads/googleads/v0/enums/promotion_placeholder_field.proto
new file mode 100644
index 000000000..982d4446c
--- /dev/null
+++ b/google/ads/googleads/v0/enums/promotion_placeholder_field.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "PromotionPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Promotion placeholder fields.
+message PromotionPlaceholderFieldEnum {
+  // Possible values for Promotion placeholder fields.
+  enum PromotionPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The text that appears on the ad when the extension is
+    // shown.
+    PROMOTION_TARGET = 2;
+
+    // Data Type: STRING. Allows you to add "up to" phrase to the promotion,
+    // in case you have variable promotion rates.
+    DISCOUNT_MODIFIER = 3;
+
+    // Data Type: INT64. Takes a value in micros, where 1 million micros
+    // represents 1%, and is shown as a percentage when rendered.
+    PERCENT_OFF = 4;
+
+    // Data Type: PRICE. Requires a currency and an amount of money.
+    MONEY_AMOUNT_OFF = 5;
+
+    // Data Type: STRING. A string that the user enters to get the discount.
+    PROMOTION_CODE = 6;
+
+    // Data Type: PRICE. A minimum spend before the user qualifies for the
+    // promotion.
+    ORDERS_OVER_AMOUNT = 7;
+
+    // Data Type: DATE. The start date of the promotion.
+    PROMOTION_START = 8;
+
+    // Data Type: DATE. The end date of the promotion.
+    PROMOTION_END = 9;
+
+    // Data Type: STRING. Describes the associated event for the promotion using
+    // one of the PromotionExtensionOccasion enum values, for example NEW_YEARS.
+    OCCASION = 10;
+
+    // Data Type: URL_LIST. Final URLs to be used in the ad when using Upgraded
+    // URLs.
+    FINAL_URLS = 11;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 12;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 13;
+
+    // Data Type: STRING. A string represented by a language code for the
+    // promotion.
+    LANGUAGE = 14;
+
+    // Data Type: STRING. Final URL suffix for the ad when using parallel
+    // tracking.
+    FINAL_URL_SUFFIX = 15;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/proximity_radius_units.proto b/google/ads/googleads/v0/enums/proximity_radius_units.proto
new file mode 100644
index 000000000..a46c22cea
--- /dev/null
+++ b/google/ads/googleads/v0/enums/proximity_radius_units.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "ProximityRadiusUnitsProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing proximity radius units.
+
+// Container for enum describing unit of radius in proximity.
+message ProximityRadiusUnitsEnum {
+  // The unit of radius distance in proximity (e.g. MILES)
+  enum ProximityRadiusUnits {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Miles
+    MILES = 2;
+
+    // Kilometers
+    KILOMETERS = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/quality_score_bucket.proto b/google/ads/googleads/v0/enums/quality_score_bucket.proto
new file mode 100644
index 000000000..c6d96ac04
--- /dev/null
+++ b/google/ads/googleads/v0/enums/quality_score_bucket.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "QualityScoreBucketProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing quality score buckets.
+
+// The relative performance compared to other advertisers.
+message QualityScoreBucketEnum {
+  // Enum listing the possible quality score buckets.
+  enum QualityScoreBucket {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Quality of the creative is below average.
+    BELOW_AVERAGE = 2;
+
+    // Quality of the creative is average.
+    AVERAGE = 3;
+
+    // Quality of the creative is above average.
+    ABOVE_AVERAGE = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/real_estate_placeholder_field.proto b/google/ads/googleads/v0/enums/real_estate_placeholder_field.proto
new file mode 100644
index 000000000..0ba8840e5
--- /dev/null
+++ b/google/ads/googleads/v0/enums/real_estate_placeholder_field.proto
@@ -0,0 +1,112 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "RealEstatePlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Real Estate placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message RealEstatePlaceholderFieldEnum {
+  // Possible values for Real Estate placeholder fields.
+  enum RealEstatePlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Unique ID.
+    LISTING_ID = 2;
+
+    // Data Type: STRING. Main headline with listing name to be shown in dynamic
+    // ad.
+    LISTING_NAME = 3;
+
+    // Data Type: STRING. City name to be shown in dynamic ad.
+    CITY_NAME = 4;
+
+    // Data Type: STRING. Description of listing to be shown in dynamic ad.
+    DESCRIPTION = 5;
+
+    // Data Type: STRING. Complete listing address, including postal code.
+    ADDRESS = 6;
+
+    // Data Type: STRING. Price to be shown in the ad.
+    // Example: "100.00 USD"
+    PRICE = 7;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 8;
+
+    // Data Type: URL. Image to be displayed in the ad.
+    IMAGE_URL = 9;
+
+    // Data Type: STRING. Type of property (house, condo, apartment, etc.) used
+    // to group like items together for recommendation engine.
+    PROPERTY_TYPE = 10;
+
+    // Data Type: STRING. Type of listing (resale, rental, foreclosure, etc.)
+    // used to group like items together for recommendation engine.
+    LISTING_TYPE = 11;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 12;
+
+    // Data Type: URL_LIST. Final URLs to be used in ad when using Upgraded
+    // URLs; the more specific the better (e.g. the individual URL of a specific
+    // listing and its location).
+    FINAL_URLS = 13;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 14;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 15;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 16;
+
+    // Data Type: STRING_LIST. List of recommended listing IDs to show together
+    // with this item.
+    SIMILAR_LISTING_IDS = 17;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 18;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 19;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/recommendation_type.proto b/google/ads/googleads/v0/enums/recommendation_type.proto
new file mode 100644
index 000000000..5f40d7977
--- /dev/null
+++ b/google/ads/googleads/v0/enums/recommendation_type.proto
@@ -0,0 +1,72 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "RecommendationTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing Recommendation types.
+
+// Container for enum describing types of recommendations.
+message RecommendationTypeEnum {
+  // Types of recommendations.
+  enum RecommendationType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Budget recommendation for budget constrained campaigns.
+    CAMPAIGN_BUDGET = 2;
+
+    // Keyword recommendation.
+    KEYWORD = 3;
+
+    // Recommendation to add a new text ad.
+    TEXT_AD = 4;
+
+    // Recommendation to update a campaign to use a Target CPA bidding strategy.
+    TARGET_CPA_OPT_IN = 5;
+
+    // Recommendation to update a campaign to use the Maximize Conversions
+    // bidding strategy.
+    MAXIMIZE_CONVERSIONS_OPT_IN = 6;
+
+    // Recommendation to enable Enhanced Cost Per Click for a campaign.
+    ENHANCED_CPC_OPT_IN = 7;
+
+    // Recommendation to start showing your campaign's ads on Google Search
+    // Partners Websites.
+    SEARCH_PARTNERS_OPT_IN = 8;
+
+    // Recommendation to update a campaign to use a Maximize Clicks bidding
+    // strategy.
+    MAXIMIZE_CLICKS_OPT_IN = 9;
+
+    // Recommendation to start using the "Optimize" ad rotation setting for the
+    // given ad group.
+    OPTIMIZE_AD_ROTATION = 10;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/search_term_match_type.proto b/google/ads/googleads/v0/enums/search_term_match_type.proto
new file mode 100644
index 000000000..9bb4f2656
--- /dev/null
+++ b/google/ads/googleads/v0/enums/search_term_match_type.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SearchTermMatchTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing search term match types.
+
+// Container for enum describing match types for a keyword triggering an ad.
+message SearchTermMatchTypeEnum {
+  // Possible match types for a keyword triggering an ad, including variants.
+  enum SearchTermMatchType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Broad match.
+    BROAD = 2;
+
+    // Exact match.
+    EXACT = 3;
+
+    // Phrase match.
+    PHRASE = 4;
+
+    // Exact match (close variant).
+    NEAR_EXACT = 5;
+
+    // Phrase match (close variant).
+    NEAR_PHRASE = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/search_term_targeting_status.proto b/google/ads/googleads/v0/enums/search_term_targeting_status.proto
new file mode 100644
index 000000000..33b2d07e8
--- /dev/null
+++ b/google/ads/googleads/v0/enums/search_term_targeting_status.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SearchTermTargetingStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing search term targeting statuses.
+
+// Container for enum indicating whether a search term is one of your targeted
+// or excluded keywords.
+message SearchTermTargetingStatusEnum {
+  // Indicates whether the search term is one of your targeted or excluded
+  // keywords.
+  enum SearchTermTargetingStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Search term is added to targeted keywords.
+    ADDED = 2;
+
+    // Search term matches a negative keyword.
+    EXCLUDED = 3;
+
+    // Search term has been both added and excluded.
+    ADDED_EXCLUDED = 4;
+
+    // Search term is neither targeted nor excluded.
+    NONE = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/shared_set_status.proto b/google/ads/googleads/v0/enums/shared_set_status.proto
new file mode 100644
index 000000000..8daea7454
--- /dev/null
+++ b/google/ads/googleads/v0/enums/shared_set_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SharedSetStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing shared set statuses.
+
+// Container for enum describing types of shared set statuses.
+message SharedSetStatusEnum {
+  // Enum listing the possible shared set statuses.
+  enum SharedSetStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The shared set is enabled.
+    ENABLED = 2;
+
+    // The shared set is removed and can no longer be used.
+    REMOVED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/shared_set_type.proto b/google/ads/googleads/v0/enums/shared_set_type.proto
new file mode 100644
index 000000000..78ba06ab1
--- /dev/null
+++ b/google/ads/googleads/v0/enums/shared_set_type.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SharedSetTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing shared set types.
+
+// Container for enum describing types of shared sets.
+message SharedSetTypeEnum {
+  // Enum listing the possible shared set types.
+  enum SharedSetType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // A set of keywords that can be excluded from targeting.
+    NEGATIVE_KEYWORDS = 2;
+
+    // A set of placements that can be excluded from targeting.
+    NEGATIVE_PLACEMENTS = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/sitelink_placeholder_field.proto b/google/ads/googleads/v0/enums/sitelink_placeholder_field.proto
new file mode 100644
index 000000000..d4987f8f5
--- /dev/null
+++ b/google/ads/googleads/v0/enums/sitelink_placeholder_field.proto
@@ -0,0 +1,66 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SitelinkPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Sitelink placeholder fields.
+message SitelinkPlaceholderFieldEnum {
+  // Possible values for Sitelink placeholder fields.
+  enum SitelinkPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The link text for your sitelink.
+    TEXT = 2;
+
+    // Data Type: STRING. First line of the sitelink description.
+    LINE_1 = 3;
+
+    // Data Type: STRING. Second line of the sitelink description.
+    LINE_2 = 4;
+
+    // Data Type: URL_LIST. Final URLs for the sitelink when using Upgraded
+    // URLs.
+    FINAL_URLS = 5;
+
+    // Data Type: URL_LIST. Final Mobile URLs for the sitelink when using
+    // Upgraded URLs.
+    FINAL_MOBILE_URLS = 6;
+
+    // Data Type: URL. Tracking template for the sitelink when using Upgraded
+    // URLs.
+    TRACKING_URL = 7;
+
+    // Data Type: STRING. Final URL suffix for sitelink when using parallel
+    // tracking.
+    FINAL_URL_SUFFIX = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/slot.proto b/google/ads/googleads/v0/enums/slot.proto
new file mode 100644
index 000000000..3c660ad27
--- /dev/null
+++ b/google/ads/googleads/v0/enums/slot.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SlotProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing slots.
+
+// Container for enumeration of possible positions of the Ad.
+message SlotEnum {
+  // Enumerates possible positions of the Ad.
+  enum Slot {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // The value is unknown in this version.
+    UNKNOWN = 1;
+
+    // Google search: Side.
+    SEARCH_SIDE = 2;
+
+    // Google search: Top.
+    SEARCH_TOP = 3;
+
+    // Google search: Other.
+    SEARCH_OTHER = 4;
+
+    // Google Display Network.
+    CONTENT = 5;
+
+    // Search partners: Top.
+    SEARCH_PARTNER_TOP = 6;
+
+    // Search partners: Other.
+    SEARCH_PARTNER_OTHER = 7;
+
+    // Cross-network.
+    MIXED = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/spending_limit_type.proto b/google/ads/googleads/v0/enums/spending_limit_type.proto
new file mode 100644
index 000000000..32b0fa137
--- /dev/null
+++ b/google/ads/googleads/v0/enums/spending_limit_type.proto
@@ -0,0 +1,45 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "SpendingLimitTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing SpendingLimit types.
+
+// Message describing spending limit types.
+message SpendingLimitTypeEnum {
+  // The possible spending limit types used by certain resources as an
+  // alternative to absolute money values in micros.
+  enum SpendingLimitType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Infinite, indicates unlimited spending power.
+    INFINITE = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/structured_snippet_placeholder_field.proto b/google/ads/googleads/v0/enums/structured_snippet_placeholder_field.proto
new file mode 100644
index 000000000..8638d6e5a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/structured_snippet_placeholder_field.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "StructuredSnippetPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Structured Snippet placeholder fields.
+message StructuredSnippetPlaceholderFieldEnum {
+  // Possible values for Structured Snippet placeholder fields.
+  enum StructuredSnippetPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. The category of snippet of your products/services.
+    // Must match one of the predefined structured snippets headers exactly.
+    // See
+    // https://developers.google.com/adwords/api
+    // /docs/appendix/structured-snippet-headers
+    HEADER = 2;
+
+    // Data Type: STRING_LIST. Text values that describe your products/services.
+    // All text must be family safe. Special or non-ASCII characters are not
+    // permitted. A snippet can be at most 25 characters.
+    SNIPPETS = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/target_cpa_opt_in_recommendation_goal.proto b/google/ads/googleads/v0/enums/target_cpa_opt_in_recommendation_goal.proto
new file mode 100644
index 000000000..b37c1d2b3
--- /dev/null
+++ b/google/ads/googleads/v0/enums/target_cpa_opt_in_recommendation_goal.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TargetCpaOptInRecommendationGoalProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing TargetCpaOptIn recommendation goals.
+
+// Container for enum describing goals for TargetCpaOptIn recommendation.
+message TargetCpaOptInRecommendationGoalEnum {
+  // Goal of TargetCpaOptIn recommendation.
+  enum TargetCpaOptInRecommendationGoal {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Recommendation to set Target CPA to maintain the same cost.
+    SAME_COST = 2;
+
+    // Recommendation to set Target CPA to maintain the same conversions.
+    SAME_CONVERSIONS = 3;
+
+    // Recommendation to set Target CPA to maintain the same CPA.
+    SAME_CPA = 4;
+
+    // Recommendation to set Target CPA to a value that is as close as possible
+    // to, yet lower than, the actual CPA (computed for past 28 days).
+    CLOSEST_CPA = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/targeting_dimension.proto b/google/ads/googleads/v0/enums/targeting_dimension.proto
new file mode 100644
index 000000000..fbc75e25c
--- /dev/null
+++ b/google/ads/googleads/v0/enums/targeting_dimension.proto
@@ -0,0 +1,71 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TargetingDimensionProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing criteria types.
+
+// The dimensions that can be targeted.
+message TargetingDimensionEnum {
+  // Enum describing possible targeting dimensions.
+  enum TargetingDimension {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Keyword criteria, e.g. 'mars cruise'. KEYWORD may be used as a custom bid
+    // dimension. Keywords are always a targeting dimension, so may not be set
+    // as a target "ALL" dimension with TargetRestriction.
+    KEYWORD = 2;
+
+    // Audience criteria, which include user list, user interest, custom
+    // affinity,  and custom in market.
+    AUDIENCE = 3;
+
+    // Topic criteria for targeting categories of content, e.g.
+    // 'category::Animals>Pets' Used for Display and Video targeting.
+    TOPIC = 4;
+
+    // Criteria for targeting gender.
+    GENDER = 5;
+
+    // Criteria for targeting age ranges.
+    AGE_RANGE = 6;
+
+    // Placement criteria, which include websites like 'www.flowers4sale.com',
+    // as well as mobile applications, mobile app categories, YouTube videos,
+    // and YouTube channels.
+    PLACEMENT = 7;
+
+    // Criteria for parental status targeting.
+    PARENTAL_STATUS = 8;
+
+    // Criteria for income range targeting.
+    INCOME_RANGE = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/time_type.proto b/google/ads/googleads/v0/enums/time_type.proto
new file mode 100644
index 000000000..702b7ebff
--- /dev/null
+++ b/google/ads/googleads/v0/enums/time_type.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TimeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing TimeType types.
+
+// Message describing time types.
+message TimeTypeEnum {
+  // The possible time types used by certain resources as an alternative to
+  // absolute timestamps.
+  enum TimeType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // As soon as possible.
+    NOW = 2;
+
+    // An infinite point in the future.
+    FOREVER = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/tracking_code_page_format.proto b/google/ads/googleads/v0/enums/tracking_code_page_format.proto
new file mode 100644
index 000000000..5b3d0a835
--- /dev/null
+++ b/google/ads/googleads/v0/enums/tracking_code_page_format.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TrackingCodePageFormatProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Container for enum describing the format of the web page where the tracking
+// tag and snippet will be installed.
+message TrackingCodePageFormatEnum {
+  // The format of the web page where the tracking tag and snippet will be
+  // installed.
+  enum TrackingCodePageFormat {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Standard HTML page format.
+    HTML = 2;
+
+    // Google AMP page format.
+    AMP = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/tracking_code_type.proto b/google/ads/googleads/v0/enums/tracking_code_type.proto
new file mode 100644
index 000000000..22343b84a
--- /dev/null
+++ b/google/ads/googleads/v0/enums/tracking_code_type.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TrackingCodeTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Container for enum describing the type of the generated tag snippets for
+// tracking conversions.
+message TrackingCodeTypeEnum {
+  // The type of the generated tag snippets for tracking conversions.
+  enum TrackingCodeType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The snippet that is fired as a result of a website page loading.
+    WEBPAGE = 2;
+
+    // The snippet contains a JavaScript function which fires the tag. This
+    // function is typically called from an onClick handler added to a link or
+    // button element on the page.
+    WEBPAGE_ONCLICK = 3;
+
+    // For embedding on a mobile webpage. The snippet contains a JavaScript
+    // function which fires the tag.
+    CLICK_TO_CALL = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/travel_placeholder_field.proto b/google/ads/googleads/v0/enums/travel_placeholder_field.proto
new file mode 100644
index 000000000..48a529422
--- /dev/null
+++ b/google/ads/googleads/v0/enums/travel_placeholder_field.proto
@@ -0,0 +1,125 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "TravelPlaceholderFieldProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Values for Travel placeholder fields.
+// For more information about dynamic remarketing feeds, see
+// https://support.google.com/google-ads/answer/6053288.
+message TravelPlaceholderFieldEnum {
+  // Possible values for Travel placeholder fields.
+  enum TravelPlaceholderField {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Data Type: STRING. Required. Destination id. Example: PAR, LON.
+    // For feed items that only have destination id, destination id must be a
+    // unique key. For feed items that have both destination id and origin id,
+    // then the combination must be a unique key.
+    DESTINATION_ID = 2;
+
+    // Data Type: STRING. Origin id. Example: PAR, LON.
+    // Combination of DESTINATION_ID and ORIGIN_ID must be
+    // unique per offer.
+    ORIGIN_ID = 3;
+
+    // Data Type: STRING. Required. Main headline with name to be shown in
+    // dynamic ad.
+    TITLE = 4;
+
+    // Data Type: STRING. The destination name. Shorter names are recommended.
+    DESTINATION_NAME = 5;
+
+    // Data Type: STRING. Origin name. Shorter names are recommended.
+    ORIGIN_NAME = 6;
+
+    // Data Type: STRING. Price to be shown in the ad. Highly recommended for
+    // dynamic ads.
+    // Example: "100.00 USD"
+    PRICE = 7;
+
+    // Data Type: STRING. Formatted price to be shown in the ad.
+    // Example: "Starting at $100.00 USD", "$80 - $100"
+    FORMATTED_PRICE = 8;
+
+    // Data Type: STRING. Sale price to be shown in the ad.
+    // Example: "80.00 USD"
+    SALE_PRICE = 9;
+
+    // Data Type: STRING. Formatted sale price to be shown in the ad.
+    // Example: "On sale for $80.00", "$60 - $80"
+    FORMATTED_SALE_PRICE = 10;
+
+    // Data Type: URL. Image to be displayed in the ad.
+    IMAGE_URL = 11;
+
+    // Data Type: STRING. Category of travel offer used to group like items
+    // together for recommendation engine.
+    CATEGORY = 12;
+
+    // Data Type: STRING_LIST. Keywords used for product retrieval.
+    CONTEXTUAL_KEYWORDS = 13;
+
+    // Data Type: STRING. Address of travel offer, including postal code.
+    DESTINATION_ADDRESS = 14;
+
+    // Data Type: URL_LIST. Required. Final URLs to be used in ad, when using
+    // Upgraded URLs; the more specific the better (e.g. the individual URL of a
+    // specific travel offer and its location).
+    FINAL_URL = 15;
+
+    // Data Type: URL_LIST. Final mobile URLs for the ad when using Upgraded
+    // URLs.
+    FINAL_MOBILE_URLS = 16;
+
+    // Data Type: URL. Tracking template for the ad when using Upgraded URLs.
+    TRACKING_URL = 17;
+
+    // Data Type: STRING. Android app link. Must be formatted as:
+    // android-app://{package_id}/{scheme}/{host_path}.
+    // The components are defined as follows:
+    // package_id: app ID as specified in Google Play.
+    // scheme: the scheme to pass to the application. Can be HTTP, or a custom
+    //   scheme.
+    // host_path: identifies the specific content within your application.
+    ANDROID_APP_LINK = 18;
+
+    // Data Type: STRING_LIST. List of recommended destination IDs to show
+    // together with this item.
+    SIMILAR_DESTINATION_IDS = 19;
+
+    // Data Type: STRING. iOS app link.
+    IOS_APP_LINK = 20;
+
+    // Data Type: INT64. iOS app store ID.
+    IOS_APP_STORE_ID = 21;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_interest_taxonomy_type.proto b/google/ads/googleads/v0/enums/user_interest_taxonomy_type.proto
new file mode 100644
index 000000000..9a1380a9b
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_interest_taxonomy_type.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserInterestTaxonomyTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing the UserInterest taxonomy type
+
+// Message describing a UserInterestTaxonomyType.
+message UserInterestTaxonomyTypeEnum {
+  // Enum containing the possible UserInterestTaxonomyTypes.
+  enum UserInterestTaxonomyType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The affinity for this user interest.
+    AFFINITY = 2;
+
+    // The market for this user interest.
+    IN_MARKET = 3;
+
+    // Users known to have installed applications in the specified categories.
+    MOBILE_APP_INSTALL_USER = 4;
+
+    // The geographical location of the interest-based vertical.
+    VERTICAL_GEO = 5;
+
+    // User interest criteria for new smart phone users.
+    NEW_SMART_PHONE_USER = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_access_status.proto b/google/ads/googleads/v0/enums/user_list_access_status.proto
new file mode 100644
index 000000000..5f90af146
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_access_status.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListAccessStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing user list access status.
+
+// Indicates if this client still has access to the list.
+message UserListAccessStatusEnum {
+  // Enum containing possible user list access statuses.
+  enum UserListAccessStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The access is enabled.
+    ENABLED = 2;
+
+    // The access is disabled.
+    DISABLED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_closing_reason.proto b/google/ads/googleads/v0/enums/user_list_closing_reason.proto
new file mode 100644
index 000000000..f81f504c1
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_closing_reason.proto
@@ -0,0 +1,45 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListClosingReasonProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing user list closing reason.
+
+// Indicates the reason why the userlist was closed.
+// This enum is only used when a list is auto-closed by the system.
+message UserListClosingReasonEnum {
+  // Enum describing possible user list closing reasons.
+  enum UserListClosingReason {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The userlist was closed because of not being used for over one year.
+    UNUSED = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_crm_data_source_type.proto b/google/ads/googleads/v0/enums/user_list_crm_data_source_type.proto
new file mode 100644
index 000000000..63fff72ac
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_crm_data_source_type.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListCrmDataSourceTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+
+
+// Indicates source of Crm upload data.
+message UserListCrmDataSourceTypeEnum {
+  // Enum describing possible user list crm data source type.
+  enum UserListCrmDataSourceType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // The uploaded data is first party data.
+    FIRST_PARTY = 2;
+
+    // The uploaded data is from a third party credit bureau.
+    THIRD_PARTY_CREDIT_BUREAU = 3;
+
+    // The uploaded data is from a third party voter file.
+    THIRD_PARTY_VOTER_FILE = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_membership_status.proto b/google/ads/googleads/v0/enums/user_list_membership_status.proto
new file mode 100644
index 000000000..9cb20c32c
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_membership_status.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListMembershipStatusProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing user list membership status.
+
+// Membership status of this user list. Indicates whether a user list is open
+// or active. Only open user lists can accumulate more users and can be used for
+// targeting.
+message UserListMembershipStatusEnum {
+  // Enum containing possible user list membership statuses.
+  enum UserListMembershipStatus {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Open status - List is accruing members and can be targeted to.
+    OPEN = 2;
+
+    // Closed status - No new members being added. Cannot be used for targeting.
+    CLOSED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_size_range.proto b/google/ads/googleads/v0/enums/user_list_size_range.proto
new file mode 100644
index 000000000..639b59075
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_size_range.proto
@@ -0,0 +1,89 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListSizeRangeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing user list size range.
+
+// Size range in terms of number of users of a UserList.
+message UserListSizeRangeEnum {
+  // Enum containing possible user list size ranges.
+  enum UserListSizeRange {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // User list has less than 500 users.
+    LESS_THAN_FIVE_HUNDRED = 2;
+
+    // User list has number of users in range of 500 to 1000.
+    LESS_THAN_ONE_THOUSAND = 3;
+
+    // User list has number of users in range of 1000 to 10000.
+    ONE_THOUSAND_TO_TEN_THOUSAND = 4;
+
+    // User list has number of users in range of 10000 to 50000.
+    TEN_THOUSAND_TO_FIFTY_THOUSAND = 5;
+
+    // User list has number of users in range of 50000 to 100000.
+    FIFTY_THOUSAND_TO_ONE_HUNDRED_THOUSAND = 6;
+
+    // User list has number of users in range of 100000 to 300000.
+    ONE_HUNDRED_THOUSAND_TO_THREE_HUNDRED_THOUSAND = 7;
+
+    // User list has number of users in range of 300000 to 500000.
+    THREE_HUNDRED_THOUSAND_TO_FIVE_HUNDRED_THOUSAND = 8;
+
+    // User list has number of users in range of 500000 to 1 million.
+    FIVE_HUNDRED_THOUSAND_TO_ONE_MILLION = 9;
+
+    // User list has number of users in range of 1 to 2 millions.
+    ONE_MILLION_TO_TWO_MILLION = 10;
+
+    // User list has number of users in range of 2 to 3 millions.
+    TWO_MILLION_TO_THREE_MILLION = 11;
+
+    // User list has number of users in range of 3 to 5 millions.
+    THREE_MILLION_TO_FIVE_MILLION = 12;
+
+    // User list has number of users in range of 5 to 10 millions.
+    FIVE_MILLION_TO_TEN_MILLION = 13;
+
+    // User list has number of users in range of 10 to 20 millions.
+    TEN_MILLION_TO_TWENTY_MILLION = 14;
+
+    // User list has number of users in range of 20 to 30 millions.
+    TWENTY_MILLION_TO_THIRTY_MILLION = 15;
+
+    // User list has number of users in range of 30 to 50 millions.
+    THIRTY_MILLION_TO_FIFTY_MILLION = 16;
+
+    // User list has over 50 million users.
+    OVER_FIFTY_MILLION = 17;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/enums/user_list_type.proto b/google/ads/googleads/v0/enums/user_list_type.proto
new file mode 100644
index 000000000..8d67cc414
--- /dev/null
+++ b/google/ads/googleads/v0/enums/user_list_type.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.enums;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Enums";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/enums;enums";
+option java_multiple_files = true;
+option java_outer_classname = "UserListTypeProto";
+option java_package = "com.google.ads.googleads.v0.enums";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Enums";
+// Proto file describing user list type.
+
+// The user list types.
+message UserListTypeEnum {
+  // Enum containing possible user list types.
+  enum UserListType {
+    // Not specified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // UserList represented as a collection of conversion types.
+    REMARKETING = 2;
+
+    // UserList represented as a combination of other user lists/interests.
+    LOGICAL = 3;
+
+    // UserList created in the Google Ad Manager platform.
+    EXTERNAL_REMARKETING = 4;
+
+    // UserList associated with a rule.
+    RULE_BASED = 5;
+
+    // UserList with users similar to users of another UserList.
+    SIMILAR = 6;
+
+    // UserList of first party CRM data provided by advertiser in the form of
+    // emails or other formats.
+    CRM_BASED = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/account_budget_proposal_error.proto b/google/ads/googleads/v0/errors/account_budget_proposal_error.proto
new file mode 100644
index 000000000..0638f65da
--- /dev/null
+++ b/google/ads/googleads/v0/errors/account_budget_proposal_error.proto
@@ -0,0 +1,111 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProposalErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing account budget proposal errors.
+
+// Container for enum describing possible account budget proposal errors.
+message AccountBudgetProposalErrorEnum {
+  // Enum describing possible account budget proposal errors.
+  enum AccountBudgetProposalError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The field mask must be empty for create/end/remove proposals.
+    FIELD_MASK_NOT_ALLOWED = 2;
+
+    // The field cannot be set because of the proposal type.
+    IMMUTABLE_FIELD = 3;
+
+    // The field is required because of the proposal type.
+    REQUIRED_FIELD_MISSING = 4;
+
+    // Proposals that have been approved cannot be cancelled.
+    CANNOT_CANCEL_APPROVED_PROPOSAL = 5;
+
+    // Budgets that haven't been approved cannot be removed.
+    CANNOT_REMOVE_UNAPPROVED_BUDGET = 6;
+
+    // Budgets that are currently running cannot be removed.
+    CANNOT_REMOVE_RUNNING_BUDGET = 7;
+
+    // Budgets that haven't been approved cannot be truncated.
+    CANNOT_END_UNAPPROVED_BUDGET = 8;
+
+    // Only budgets that are currently running can be truncated.
+    CANNOT_END_INACTIVE_BUDGET = 9;
+
+    // All budgets must have names.
+    BUDGET_NAME_REQUIRED = 10;
+
+    // Expired budgets cannot be edited after a sufficient amount of time has
+    // passed.
+    CANNOT_UPDATE_OLD_BUDGET = 11;
+
+    // It is not permissible a propose a new budget that ends in the past.
+    CANNOT_END_IN_PAST = 12;
+
+    // An expired budget cannot be extended to overlap with the running budget.
+    CANNOT_EXTEND_END_TIME = 13;
+
+    // A purchase order number is required.
+    PURCHASE_ORDER_NUMBER_REQUIRED = 14;
+
+    // Budgets that have a pending update cannot be updated.
+    PENDING_UPDATE_PROPOSAL_EXISTS = 15;
+
+    // Cannot propose more than one budget when the corresponding billing setup
+    // hasn't been approved.
+    MULTIPLE_BUDGETS_NOT_ALLOWED_FOR_UNAPPROVED_BILLING_SETUP = 16;
+
+    // Cannot update the start time of a budget that has already started.
+    CANNOT_UPDATE_START_TIME_FOR_STARTED_BUDGET = 17;
+
+    // Cannot update the spending limit of a budget with an amount lower than
+    // what has already been spent.
+    SPENDING_LIMIT_LOWER_THAN_ACCRUED_COST_NOT_ALLOWED = 18;
+
+    // Cannot propose a budget update without actually changing any fields.
+    UPDATE_IS_NO_OP = 19;
+
+    // The end time must come after the start time.
+    END_TIME_MUST_FOLLOW_START_TIME = 20;
+
+    // The budget's date range must fall within the date range of its billing
+    // setup.
+    BUDGET_DATE_RANGE_INCOMPATIBLE_WITH_BILLING_SETUP = 21;
+
+    // The user is not authorized to mutate budgets for the given billing setup.
+    NOT_AUTHORIZED = 22;
+
+    // Mutates are not allowed for the given billing setup.
+    INVALID_BILLING_SETUP = 23;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_customizer_error.proto b/google/ads/googleads/v0/errors/ad_customizer_error.proto
new file mode 100644
index 000000000..814489d68
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_customizer_error.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdCustomizerErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad customizer errors.
+
+// Container for enum describing possible ad customizer errors.
+message AdCustomizerErrorEnum {
+  // Enum describing possible ad customizer errors.
+  enum AdCustomizerError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Invalid date argument in countdown function.
+    COUNTDOWN_INVALID_DATE_FORMAT = 2;
+
+    // Countdown end date is in the past.
+    COUNTDOWN_DATE_IN_PAST = 3;
+
+    // Invalid locale string in countdown function.
+    COUNTDOWN_INVALID_LOCALE = 4;
+
+    // Days-before argument to countdown function is not positive.
+    COUNTDOWN_INVALID_START_DAYS_BEFORE = 5;
+
+    // A user list referenced in an IF function does not exist.
+    UNKNOWN_USER_LIST = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_error.proto b/google/ads/googleads/v0/errors/ad_error.proto
new file mode 100644
index 000000000..baaa24dea
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_error.proto
@@ -0,0 +1,452 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad errors.
+
+// Container for enum describing possible ad errors.
+message AdErrorEnum {
+  // Enum describing possible ad errors.
+  enum AdError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Ad customizers are not supported for ad type.
+    AD_CUSTOMIZERS_NOT_SUPPORTED_FOR_AD_TYPE = 2;
+
+    // Estimating character sizes the string is too long.
+    APPROXIMATELY_TOO_LONG = 3;
+
+    // Estimating character sizes the string is too short.
+    APPROXIMATELY_TOO_SHORT = 4;
+
+    // There is a problem with the snippet.
+    BAD_SNIPPET = 5;
+
+    // Cannot modify an ad.
+    CANNOT_MODIFY_AD = 6;
+
+    // business name and url cannot be set at the same time
+    CANNOT_SET_BUSINESS_NAME_IF_URL_SET = 7;
+
+    // The specified field is incompatible with this ad's type or settings.
+    CANNOT_SET_FIELD = 8;
+
+    // Cannot set field when originAdId is set.
+    CANNOT_SET_FIELD_WITH_ORIGIN_AD_ID_SET = 9;
+
+    // Cannot set field when an existing ad id is set for sharing.
+    CANNOT_SET_FIELD_WITH_AD_ID_SET_FOR_SHARING = 10;
+
+    // Cannot set allowFlexibleColor false if no color is provided by user.
+    CANNOT_SET_ALLOW_FLEXIBLE_COLOR_FALSE = 11;
+
+    // When user select native, no color control is allowed because we will
+    // always respect publisher color for native format serving.
+    CANNOT_SET_COLOR_CONTROL_WHEN_NATIVE_FORMAT_SETTING = 12;
+
+    // Cannot specify a url for the ad type
+    CANNOT_SET_URL = 13;
+
+    // Cannot specify a tracking or mobile url without also setting final urls
+    CANNOT_SET_WITHOUT_FINAL_URLS = 14;
+
+    // Cannot specify a legacy url and a final url simultaneously
+    CANNOT_SET_WITH_FINAL_URLS = 15;
+
+    // Cannot specify a legacy url and a tracking url template simultaneously in
+    // a DSA.
+    CANNOT_SET_WITH_TRACKING_URL_TEMPLATE = 16;
+
+    // Cannot specify a urls in UrlData and in template fields simultaneously.
+    CANNOT_SET_WITH_URL_DATA = 17;
+
+    // This operator cannot be used with a subclass of Ad.
+    CANNOT_USE_AD_SUBCLASS_FOR_OPERATOR = 18;
+
+    // Customer is not approved for mobile ads.
+    CUSTOMER_NOT_APPROVED_MOBILEADS = 19;
+
+    // Customer is not approved for 3PAS richmedia ads.
+    CUSTOMER_NOT_APPROVED_THIRDPARTY_ADS = 20;
+
+    // Customer is not approved for 3PAS redirect richmedia (Ad Exchange) ads.
+    CUSTOMER_NOT_APPROVED_THIRDPARTY_REDIRECT_ADS = 21;
+
+    // Not an eligible customer
+    CUSTOMER_NOT_ELIGIBLE = 22;
+
+    // Customer is not eligible for updating beacon url
+    CUSTOMER_NOT_ELIGIBLE_FOR_UPDATING_BEACON_URL = 23;
+
+    // There already exists an ad with the same dimensions in the union.
+    DIMENSION_ALREADY_IN_UNION = 24;
+
+    // Ad's dimension must be set before setting union dimension.
+    DIMENSION_MUST_BE_SET = 25;
+
+    // Ad's dimension must be included in the union dimensions.
+    DIMENSION_NOT_IN_UNION = 26;
+
+    // Display Url cannot be specified (applies to Ad Exchange Ads)
+    DISPLAY_URL_CANNOT_BE_SPECIFIED = 27;
+
+    // Telephone number contains invalid characters or invalid format. Please
+    // re-enter your number using digits (0-9), dashes (-), and parentheses
+    // only.
+    DOMESTIC_PHONE_NUMBER_FORMAT = 28;
+
+    // Emergency telephone numbers are not allowed. Please enter a valid
+    // domestic phone number to connect customers to your business.
+    EMERGENCY_PHONE_NUMBER = 29;
+
+    // A required field was not specified or is an empty string.
+    EMPTY_FIELD = 30;
+
+    // A feed attribute referenced in an ad customizer tag is not in the ad
+    // customizer mapping for the feed.
+    FEED_ATTRIBUTE_MUST_HAVE_MAPPING_FOR_TYPE_ID = 31;
+
+    // The ad customizer field mapping for the feed attribute does not match the
+    // expected field type.
+    FEED_ATTRIBUTE_MAPPING_TYPE_MISMATCH = 32;
+
+    // The use of ad customizer tags in the ad text is disallowed. Details in
+    // trigger.
+    ILLEGAL_AD_CUSTOMIZER_TAG_USE = 33;
+
+    // Tags of the form {PH_x}, where x is a number, are disallowed in ad text.
+    ILLEGAL_TAG_USE = 34;
+
+    // The dimensions of the ad are specified or derived in multiple ways and
+    // are not consistent.
+    INCONSISTENT_DIMENSIONS = 35;
+
+    // The status cannot differ among template ads of the same union.
+    INCONSISTENT_STATUS_IN_TEMPLATE_UNION = 36;
+
+    // The length of the string is not valid.
+    INCORRECT_LENGTH = 37;
+
+    // The ad is ineligible for upgrade.
+    INELIGIBLE_FOR_UPGRADE = 38;
+
+    // User cannot create mobile ad for countries targeted in specified
+    // campaign.
+    INVALID_AD_ADDRESS_CAMPAIGN_TARGET = 39;
+
+    // Invalid Ad type. A specific type of Ad is required.
+    INVALID_AD_TYPE = 40;
+
+    // Headline, description or phone cannot be present when creating mobile
+    // image ad.
+    INVALID_ATTRIBUTES_FOR_MOBILE_IMAGE = 41;
+
+    // Image cannot be present when creating mobile text ad.
+    INVALID_ATTRIBUTES_FOR_MOBILE_TEXT = 42;
+
+    // Invalid call to action text.
+    INVALID_CALL_TO_ACTION_TEXT = 43;
+
+    // Invalid character in URL.
+    INVALID_CHARACTER_FOR_URL = 44;
+
+    // Creative's country code is not valid.
+    INVALID_COUNTRY_CODE = 45;
+
+    // Invalid use of Dynamic Search Ads tags ({lpurl} etc.)
+    INVALID_DSA_URL_TAG = 46;
+
+    // Invalid use of Expanded Dynamic Search Ads tags ({lpurl} etc.)
+    INVALID_EXPANDED_DYNAMIC_SEARCH_AD_TAG = 47;
+
+    // An input error whose real reason was not properly mapped (should not
+    // happen).
+    INVALID_INPUT = 48;
+
+    // An invalid markup language was entered.
+    INVALID_MARKUP_LANGUAGE = 49;
+
+    // An invalid mobile carrier was entered.
+    INVALID_MOBILE_CARRIER = 50;
+
+    // Specified mobile carriers target a country not targeted by the campaign.
+    INVALID_MOBILE_CARRIER_TARGET = 51;
+
+    // Wrong number of elements for given element type
+    INVALID_NUMBER_OF_ELEMENTS = 52;
+
+    // The format of the telephone number is incorrect. Please re-enter the
+    // number using the correct format.
+    INVALID_PHONE_NUMBER_FORMAT = 53;
+
+    // The certified vendor format id is incorrect.
+    INVALID_RICH_MEDIA_CERTIFIED_VENDOR_FORMAT_ID = 54;
+
+    // The template ad data contains validation errors.
+    INVALID_TEMPLATE_DATA = 55;
+
+    // The template field doesn't have have the correct type.
+    INVALID_TEMPLATE_ELEMENT_FIELD_TYPE = 56;
+
+    // Invalid template id.
+    INVALID_TEMPLATE_ID = 57;
+
+    // After substituting replacement strings, the line is too wide.
+    LINE_TOO_WIDE = 58;
+
+    // The feed referenced must have ad customizer mapping to be used in a
+    // customizer tag.
+    MISSING_AD_CUSTOMIZER_MAPPING = 59;
+
+    // Missing address component in template element address field.
+    MISSING_ADDRESS_COMPONENT = 60;
+
+    // An ad name must be entered.
+    MISSING_ADVERTISEMENT_NAME = 61;
+
+    // Business name must be entered.
+    MISSING_BUSINESS_NAME = 62;
+
+    // Description (line 2) must be entered.
+    MISSING_DESCRIPTION1 = 63;
+
+    // Description (line 3) must be entered.
+    MISSING_DESCRIPTION2 = 64;
+
+    // The destination url must contain at least one tag (e.g. {lpurl})
+    MISSING_DESTINATION_URL_TAG = 65;
+
+    // The tracking url template of ExpandedDynamicSearchAd must contain at
+    // least one tag. (e.g. {lpurl})
+    MISSING_LANDING_PAGE_URL_TAG = 66;
+
+    // A valid dimension must be specified for this ad.
+    MISSING_DIMENSION = 67;
+
+    // A display URL must be entered.
+    MISSING_DISPLAY_URL = 68;
+
+    // Headline must be entered.
+    MISSING_HEADLINE = 69;
+
+    // A height must be entered.
+    MISSING_HEIGHT = 70;
+
+    // An image must be entered.
+    MISSING_IMAGE = 71;
+
+    // Marketing image or product videos are required.
+    MISSING_MARKETING_IMAGE_OR_PRODUCT_VIDEOS = 72;
+
+    // The markup language in which your site is written must be entered.
+    MISSING_MARKUP_LANGUAGES = 73;
+
+    // A mobile carrier must be entered.
+    MISSING_MOBILE_CARRIER = 74;
+
+    // Phone number must be entered.
+    MISSING_PHONE = 75;
+
+    // Missing required template fields
+    MISSING_REQUIRED_TEMPLATE_FIELDS = 76;
+
+    // Missing a required field value
+    MISSING_TEMPLATE_FIELD_VALUE = 77;
+
+    // The ad must have text.
+    MISSING_TEXT = 78;
+
+    // A visible URL must be entered.
+    MISSING_VISIBLE_URL = 79;
+
+    // A width must be entered.
+    MISSING_WIDTH = 80;
+
+    // Only 1 feed can be used as the source of ad customizer substitutions in a
+    // single ad.
+    MULTIPLE_DISTINCT_FEEDS_UNSUPPORTED = 81;
+
+    // TempAdUnionId must be use when adding template ads.
+    MUST_USE_TEMP_AD_UNION_ID_ON_ADD = 82;
+
+    // The string has too many characters.
+    TOO_LONG = 83;
+
+    // The string has too few characters.
+    TOO_SHORT = 84;
+
+    // Ad union dimensions cannot change for saved ads.
+    UNION_DIMENSIONS_CANNOT_CHANGE = 85;
+
+    // Address component is not {country, lat, lng}.
+    UNKNOWN_ADDRESS_COMPONENT = 86;
+
+    // Unknown unique field name
+    UNKNOWN_FIELD_NAME = 87;
+
+    // Unknown unique name (template element type specifier)
+    UNKNOWN_UNIQUE_NAME = 88;
+
+    // Unsupported ad dimension
+    UNSUPPORTED_DIMENSIONS = 89;
+
+    // URL starts with an invalid scheme.
+    URL_INVALID_SCHEME = 90;
+
+    // URL ends with an invalid top-level domain name.
+    URL_INVALID_TOP_LEVEL_DOMAIN = 91;
+
+    // URL contains illegal characters.
+    URL_MALFORMED = 92;
+
+    // URL must contain a host name.
+    URL_NO_HOST = 93;
+
+    // URL not equivalent during upgrade.
+    URL_NOT_EQUIVALENT = 94;
+
+    // URL host name too long to be stored as visible URL (applies to Ad
+    // Exchange ads)
+    URL_HOST_NAME_TOO_LONG = 95;
+
+    // URL must start with a scheme.
+    URL_NO_SCHEME = 96;
+
+    // URL should end in a valid domain extension, such as .com or .net.
+    URL_NO_TOP_LEVEL_DOMAIN = 97;
+
+    // URL must not end with a path.
+    URL_PATH_NOT_ALLOWED = 98;
+
+    // URL must not specify a port.
+    URL_PORT_NOT_ALLOWED = 99;
+
+    // URL must not contain a query.
+    URL_QUERY_NOT_ALLOWED = 100;
+
+    // A url scheme is not allowed in front of tag in dest url (e.g.
+    // http://{lpurl})
+    URL_SCHEME_BEFORE_DSA_TAG = 101;
+
+    // A url scheme is not allowed in front of tag in tracking url template
+    // (e.g. http://{lpurl})
+    URL_SCHEME_BEFORE_EXPANDED_DYNAMIC_SEARCH_AD_TAG = 102;
+
+    // The user does not have permissions to create a template ad for the given
+    // template.
+    USER_DOES_NOT_HAVE_ACCESS_TO_TEMPLATE = 103;
+
+    // Expandable setting is inconsistent/wrong. For example, an AdX ad is
+    // invalid if it has a expandable vendor format but no expanding directions
+    // specified, or expanding directions is specified, but the vendor format is
+    // not expandable.
+    INCONSISTENT_EXPANDABLE_SETTINGS = 104;
+
+    // Format is invalid
+    INVALID_FORMAT = 105;
+
+    // The text of this field did not match a pattern of allowed values.
+    INVALID_FIELD_TEXT = 106;
+
+    // Template element is mising
+    ELEMENT_NOT_PRESENT = 107;
+
+    // Error occurred during image processing
+    IMAGE_ERROR = 108;
+
+    // The value is not within the valid range
+    VALUE_NOT_IN_RANGE = 109;
+
+    // Template element field is not present
+    FIELD_NOT_PRESENT = 110;
+
+    // Address is incomplete
+    ADDRESS_NOT_COMPLETE = 111;
+
+    // Invalid address
+    ADDRESS_INVALID = 112;
+
+    // Error retrieving specified video
+    VIDEO_RETRIEVAL_ERROR = 113;
+
+    // Error processing audio
+    AUDIO_ERROR = 114;
+
+    // Display URL is incorrect for YouTube PYV ads
+    INVALID_YOUTUBE_DISPLAY_URL = 115;
+
+    // Too many product Images in GmailAd
+    TOO_MANY_PRODUCT_IMAGES = 116;
+
+    // Too many product Videos in GmailAd
+    TOO_MANY_PRODUCT_VIDEOS = 117;
+
+    // The device preference is not compatible with the ad type
+    INCOMPATIBLE_AD_TYPE_AND_DEVICE_PREFERENCE = 118;
+
+    // Call tracking is not supported for specified country.
+    CALLTRACKING_NOT_SUPPORTED_FOR_COUNTRY = 119;
+
+    // Carrier specific short number is not allowed.
+    CARRIER_SPECIFIC_SHORT_NUMBER_NOT_ALLOWED = 120;
+
+    // Specified phone number type is disallowed.
+    DISALLOWED_NUMBER_TYPE = 121;
+
+    // Phone number not supported for country.
+    PHONE_NUMBER_NOT_SUPPORTED_FOR_COUNTRY = 122;
+
+    // Phone number not supported with call tracking enabled for country.
+    PHONE_NUMBER_NOT_SUPPORTED_WITH_CALLTRACKING_FOR_COUNTRY = 123;
+
+    // Premium rate phone number is not allowed.
+    PREMIUM_RATE_NUMBER_NOT_ALLOWED = 124;
+
+    // Vanity phone number is not allowed.
+    VANITY_PHONE_NUMBER_NOT_ALLOWED = 125;
+
+    // Invalid call conversion type id.
+    INVALID_CALL_CONVERSION_TYPE_ID = 126;
+
+    // Cannot disable call conversion and set conversion type id.
+    CANNOT_DISABLE_CALL_CONVERSION_AND_SET_CONVERSION_TYPE_ID = 127;
+
+    // Cannot set path2 without path1.
+    CANNOT_SET_PATH2_WITHOUT_PATH1 = 128;
+
+    // Missing domain name in campaign setting when adding expanded dynamic
+    // search ad.
+    MISSING_DYNAMIC_SEARCH_ADS_SETTING_DOMAIN_NAME = 129;
+
+    // The associated ad is not compatible with restriction type.
+    INCOMPATIBLE_WITH_RESTRICTION_TYPE = 130;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_group_ad_error.proto b/google/ads/googleads/v0/errors/ad_group_ad_error.proto
new file mode 100644
index 000000000..def73aa7e
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_group_ad_error.proto
@@ -0,0 +1,67 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAdErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad group ad errors.
+
+// Container for enum describing possible ad group ad errors.
+message AdGroupAdErrorEnum {
+  // Enum describing possible ad group ad errors.
+  enum AdGroupAdError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // No link found between the adgroup ad and the label.
+    AD_GROUP_AD_LABEL_DOES_NOT_EXIST = 2;
+
+    // The label has already been attached to the adgroup ad.
+    AD_GROUP_AD_LABEL_ALREADY_EXISTS = 3;
+
+    // The specified ad was not found in the adgroup
+    AD_NOT_UNDER_ADGROUP = 4;
+
+    // Removed ads may not be modified
+    CANNOT_OPERATE_ON_REMOVED_ADGROUPAD = 5;
+
+    // An ad of this type is deprecated and cannot be created. Only deletions
+    // are permitted.
+    CANNOT_CREATE_DEPRECATED_ADS = 6;
+
+    // Text ads are deprecated and cannot be created. Use expanded text ads
+    // instead.
+    CANNOT_CREATE_TEXT_ADS = 7;
+
+    // A required field was not specified or is an empty string.
+    EMPTY_FIELD = 8;
+
+    // An ad may only be modified once per call
+    RESOURCE_REFERENCED_IN_MULTIPLE_OPS = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_group_bid_modifier_error.proto b/google/ads/googleads/v0/errors/ad_group_bid_modifier_error.proto
new file mode 100644
index 000000000..ed9d557d0
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_group_bid_modifier_error.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupBidModifierErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad group bid modifier errors.
+
+// Container for enum describing possible ad group bid modifier errors.
+message AdGroupBidModifierErrorEnum {
+  // Enum describing possible ad group bid modifier errors.
+  enum AdGroupBidModifierError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The criterion ID does not support bid modification.
+    CRITERION_ID_NOT_SUPPORTED = 2;
+
+    // Cannot override the bid modifier for the given criterion ID if the parent
+    // campaign is opted out of the same criterion.
+    CANNOT_OVERRIDE_OPTED_OUT_CAMPAIGN_CRITERION_BID_MODIFIER = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_group_criterion_error.proto b/google/ads/googleads/v0/errors/ad_group_criterion_error.proto
new file mode 100644
index 000000000..a6b133cad
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_group_criterion_error.proto
@@ -0,0 +1,162 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupCriterionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad group criterion errors.
+
+// Container for enum describing possible ad group criterion errors.
+message AdGroupCriterionErrorEnum {
+  // Enum describing possible ad group criterion errors.
+  enum AdGroupCriterionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // No link found between the AdGroupCriterion and the label.
+    AD_GROUP_CRITERION_LABEL_DOES_NOT_EXIST = 2;
+
+    // The label has already been attached to the AdGroupCriterion.
+    AD_GROUP_CRITERION_LABEL_ALREADY_EXISTS = 3;
+
+    // Negative AdGroupCriterion cannot have labels.
+    CANNOT_ADD_LABEL_TO_NEGATIVE_CRITERION = 4;
+
+    // Too many operations for a single call.
+    TOO_MANY_OPERATIONS = 5;
+
+    // Negative ad group criteria are not updateable.
+    CANT_UPDATE_NEGATIVE = 6;
+
+    // Concrete type of criterion (keyword v.s. placement) is required for ADD
+    // and SET operations.
+    CONCRETE_TYPE_REQUIRED = 7;
+
+    // Bid is incompatible with ad group's bidding settings.
+    BID_INCOMPATIBLE_WITH_ADGROUP = 8;
+
+    // Cannot target and exclude the same criterion at once.
+    CANNOT_TARGET_AND_EXCLUDE = 9;
+
+    // The URL of a placement is invalid.
+    ILLEGAL_URL = 10;
+
+    // Keyword text was invalid.
+    INVALID_KEYWORD_TEXT = 11;
+
+    // Destination URL was invalid.
+    INVALID_DESTINATION_URL = 12;
+
+    // The destination url must contain at least one tag (e.g. {lpurl})
+    MISSING_DESTINATION_URL_TAG = 13;
+
+    // Keyword-level cpm bid is not supported
+    KEYWORD_LEVEL_BID_NOT_SUPPORTED_FOR_MANUALCPM = 14;
+
+    // For example, cannot add a biddable ad group criterion that had been
+    // removed.
+    INVALID_USER_STATUS = 15;
+
+    // Criteria type cannot be targeted for the ad group. Either the account is
+    // restricted to keywords only, the criteria type is incompatible with the
+    // campaign's bidding strategy, or the criteria type can only be applied to
+    // campaigns.
+    CANNOT_ADD_CRITERIA_TYPE = 16;
+
+    // Criteria type cannot be excluded for the ad group. Refer to the
+    // documentation for a specific criterion to check if it is excludable.
+    CANNOT_EXCLUDE_CRITERIA_TYPE = 17;
+
+    // Partial failure is not supported for shopping campaign mutate operations.
+    CAMPAIGN_TYPE_NOT_COMPATIBLE_WITH_PARTIAL_FAILURE = 27;
+
+    // Operations in the mutate request changes too many shopping ad groups.
+    // Please split requests for multiple shopping ad groups across multiple
+    // requests.
+    OPERATIONS_FOR_TOO_MANY_SHOPPING_ADGROUPS = 28;
+
+    // Not allowed to modify url fields of an ad group criterion if there are
+    // duplicate elements for that ad group criterion in the request.
+    CANNOT_MODIFY_URL_FIELDS_WITH_DUPLICATE_ELEMENTS = 29;
+
+    // Cannot set url fields without also setting final urls.
+    CANNOT_SET_WITHOUT_FINAL_URLS = 30;
+
+    // Cannot clear final urls if final mobile urls exist.
+    CANNOT_CLEAR_FINAL_URLS_IF_FINAL_MOBILE_URLS_EXIST = 31;
+
+    // Cannot clear final urls if final app urls exist.
+    CANNOT_CLEAR_FINAL_URLS_IF_FINAL_APP_URLS_EXIST = 32;
+
+    // Cannot clear final urls if tracking url template exists.
+    CANNOT_CLEAR_FINAL_URLS_IF_TRACKING_URL_TEMPLATE_EXISTS = 33;
+
+    // Cannot clear final urls if url custom parameters exist.
+    CANNOT_CLEAR_FINAL_URLS_IF_URL_CUSTOM_PARAMETERS_EXIST = 34;
+
+    // Cannot set both destination url and final urls.
+    CANNOT_SET_BOTH_DESTINATION_URL_AND_FINAL_URLS = 35;
+
+    // Cannot set both destination url and tracking url template.
+    CANNOT_SET_BOTH_DESTINATION_URL_AND_TRACKING_URL_TEMPLATE = 36;
+
+    // Final urls are not supported for this criterion type.
+    FINAL_URLS_NOT_SUPPORTED_FOR_CRITERION_TYPE = 37;
+
+    // Final mobile urls are not supported for this criterion type.
+    FINAL_MOBILE_URLS_NOT_SUPPORTED_FOR_CRITERION_TYPE = 38;
+
+    // Ad group is invalid due to the listing groups it contains.
+    INVALID_LISTING_GROUP_HIERARCHY = 39;
+
+    // Listing group unit cannot have children.
+    LISTING_GROUP_UNIT_CANNOT_HAVE_CHILDREN = 40;
+
+    // Subdivided listing groups must have an "others" case.
+    LISTING_GROUP_SUBDIVISION_REQUIRES_OTHERS_CASE = 41;
+
+    // Dimension type of listing group must be the same as that of its siblings.
+    LISTING_GROUP_REQUIRES_SAME_DIMENSION_TYPE_AS_SIBLINGS = 42;
+
+    // Listing group cannot be added to the ad group because it already exists.
+    LISTING_GROUP_ALREADY_EXISTS = 43;
+
+    // Listing group referenced in the operation was not found in the ad group.
+    LISTING_GROUP_DOES_NOT_EXIST = 44;
+
+    // Recursive removal failed because listing group subdivision is being
+    // created or modified in this request.
+    LISTING_GROUP_CANNOT_BE_REMOVED = 45;
+
+    // Listing group type is not allowed for specified ad group criterion type.
+    INVALID_LISTING_GROUP_TYPE = 46;
+
+    // Listing group in an ADD operation specifies a non temporary criterion id.
+    LISTING_GROUP_ADD_MAY_ONLY_USE_TEMP_ID = 47;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_group_error.proto b/google/ads/googleads/v0/errors/ad_group_error.proto
new file mode 100644
index 000000000..eb5b0be77
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_group_error.proto
@@ -0,0 +1,80 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad group errors.
+
+// Container for enum describing possible ad group errors.
+message AdGroupErrorEnum {
+  // Enum describing possible ad group errors.
+  enum AdGroupError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // AdGroup with the same name already exists for the campaign.
+    DUPLICATE_ADGROUP_NAME = 2;
+
+    // AdGroup name is not valid.
+    INVALID_ADGROUP_NAME = 3;
+
+    // Advertiser is not allowed to target sites or set site bids that are not
+    // on the Google Search Network.
+    ADVERTISER_NOT_ON_CONTENT_NETWORK = 5;
+
+    // Bid amount is too big.
+    BID_TOO_BIG = 6;
+
+    // AdGroup bid does not match the campaign's bidding strategy.
+    BID_TYPE_AND_BIDDING_STRATEGY_MISMATCH = 7;
+
+    // AdGroup name is required for Add.
+    MISSING_ADGROUP_NAME = 8;
+
+    // No link found between the ad group and the label.
+    ADGROUP_LABEL_DOES_NOT_EXIST = 9;
+
+    // The label has already been attached to the ad group.
+    ADGROUP_LABEL_ALREADY_EXISTS = 10;
+
+    // The CriterionTypeGroup is not supported for the content bid dimension.
+    INVALID_CONTENT_BID_CRITERION_TYPE_GROUP = 11;
+
+    // The ad group type is not compatible with the campaign channel type.
+    AD_GROUP_TYPE_NOT_VALID_FOR_ADVERTISING_CHANNEL_TYPE = 12;
+
+    // The ad group type is not supported in the country of sale of the
+    // campaign.
+    ADGROUP_TYPE_NOT_SUPPORTED_FOR_CAMPAIGN_SALES_COUNTRY = 13;
+
+    // Ad groups of AdGroupType.SEARCH_DYNAMIC_ADS can only be added to
+    // campaigns that have DynamicSearchAdsSetting attached.
+    CANNOT_ADD_ADGROUP_OF_TYPE_DSA_TO_CAMPAIGN_WITHOUT_DSA_SETTING = 14;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_group_feed_error.proto b/google/ads/googleads/v0/errors/ad_group_feed_error.proto
new file mode 100644
index 000000000..6c10d1e75
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_group_feed_error.proto
@@ -0,0 +1,64 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupFeedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad group feed errors.
+
+// Container for enum describing possible ad group feed errors.
+message AdGroupFeedErrorEnum {
+  // Enum describing possible ad group feed errors.
+  enum AdGroupFeedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // An active feed already exists for this ad group and place holder type.
+    FEED_ALREADY_EXISTS_FOR_PLACEHOLDER_TYPE = 2;
+
+    // The specified feed is removed.
+    CANNOT_CREATE_FOR_REMOVED_FEED = 3;
+
+    // The AdGroupFeed already exists. UPDATE operation should be used to modify
+    // the existing AdGroupFeed.
+    ADGROUP_FEED_ALREADY_EXISTS = 4;
+
+    // Cannot operate on removed AdGroupFeed.
+    CANNOT_OPERATE_ON_REMOVED_ADGROUP_FEED = 5;
+
+    // Invalid placeholder type.
+    INVALID_PLACEHOLDER_TYPE = 6;
+
+    // Feed mapping for this placeholder type does not exist.
+    MISSING_FEEDMAPPING_FOR_PLACEHOLDER_TYPE = 7;
+
+    // Location AdGroupFeeds cannot be created unless there is a location
+    // CustomerFeed for the specified feed.
+    NO_EXISTING_LOCATION_CUSTOMER_FEED = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/ad_sharing_error.proto b/google/ads/googleads/v0/errors/ad_sharing_error.proto
new file mode 100644
index 000000000..9671105a7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/ad_sharing_error.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdSharingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing ad sharing errors.
+
+// Container for enum describing possible ad sharing errors.
+message AdSharingErrorEnum {
+  // Enum describing possible ad sharing errors.
+  enum AdSharingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Error resulting in attempting to add an Ad to an AdGroup that already
+    // contains the Ad.
+    AD_GROUP_ALREADY_CONTAINS_AD = 2;
+
+    // Ad is not compatible with the AdGroup it is being shared with.
+    INCOMPATIBLE_AD_UNDER_AD_GROUP = 3;
+
+    // Cannot add AdGroupAd on inactive Ad.
+    CANNOT_SHARE_INACTIVE_AD = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/adx_error.proto b/google/ads/googleads/v0/errors/adx_error.proto
new file mode 100644
index 000000000..b9f6e38d0
--- /dev/null
+++ b/google/ads/googleads/v0/errors/adx_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AdxErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing adx errors.
+
+// Container for enum describing possible adx errors.
+message AdxErrorEnum {
+  // Enum describing possible adx errors.
+  enum AdxError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Attempt to use non-AdX feature by AdX customer.
+    UNSUPPORTED_FEATURE = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/authentication_error.proto b/google/ads/googleads/v0/errors/authentication_error.proto
new file mode 100644
index 000000000..0104a9f96
--- /dev/null
+++ b/google/ads/googleads/v0/errors/authentication_error.proto
@@ -0,0 +1,100 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AuthenticationErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing authentication errors.
+
+// Container for enum describing possible authentication errors.
+message AuthenticationErrorEnum {
+  // Enum describing possible authentication errors.
+  enum AuthenticationError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Authentication of the request failed.
+    AUTHENTICATION_ERROR = 2;
+
+    // Client Customer Id is not a number.
+    CLIENT_CUSTOMER_ID_INVALID = 5;
+
+    // No customer found for the provided customer id.
+    CUSTOMER_NOT_FOUND = 8;
+
+    // Client's Google Account is deleted.
+    GOOGLE_ACCOUNT_DELETED = 9;
+
+    // Google account login token in the cookie is invalid.
+    GOOGLE_ACCOUNT_COOKIE_INVALID = 10;
+
+    // A problem occurred during Google account authentication.
+    GOOGLE_ACCOUNT_AUTHENTICATION_FAILED = 25;
+
+    // The user in the google account login token does not match the UserId in
+    // the cookie.
+    GOOGLE_ACCOUNT_USER_AND_ADS_USER_MISMATCH = 12;
+
+    // Login cookie is required for authentication.
+    LOGIN_COOKIE_REQUIRED = 13;
+
+    // User in the cookie is not a valid Ads user.
+    NOT_ADS_USER = 14;
+
+    // Oauth token in the header is not valid.
+    OAUTH_TOKEN_INVALID = 15;
+
+    // Oauth token in the header has expired.
+    OAUTH_TOKEN_EXPIRED = 16;
+
+    // Oauth token in the header has been disabled.
+    OAUTH_TOKEN_DISABLED = 17;
+
+    // Oauth token in the header has been revoked.
+    OAUTH_TOKEN_REVOKED = 18;
+
+    // Oauth token HTTP header is malformed.
+    OAUTH_TOKEN_HEADER_INVALID = 19;
+
+    // Login cookie is not valid.
+    LOGIN_COOKIE_INVALID = 20;
+
+    // User Id in the header is not a valid id.
+    USER_ID_INVALID = 22;
+
+    // An account administrator changed this account's authentication settings.
+    // To access this Google Ads account, enable 2-Step Verification in your
+    // Google account at https://www.google.com/landing/2step.
+    TWO_STEP_VERIFICATION_NOT_ENROLLED = 23;
+
+    // An account administrator changed this account's authentication settings.
+    // To access this Google Ads account, enable Advanced Protection in your
+    // Google account at https://landing.google.com/advancedprotection.
+    ADVANCED_PROTECTION_NOT_ENROLLED = 24;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/authorization_error.proto b/google/ads/googleads/v0/errors/authorization_error.proto
new file mode 100644
index 000000000..8fc6513c0
--- /dev/null
+++ b/google/ads/googleads/v0/errors/authorization_error.proto
@@ -0,0 +1,64 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "AuthorizationErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing authorization errors.
+
+// Container for enum describing possible authorization errors.
+message AuthorizationErrorEnum {
+  // Enum describing possible authorization errors.
+  enum AuthorizationError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // User doesn't have permission to access customer.
+    USER_PERMISSION_DENIED = 2;
+
+    // The developer token is not whitelisted.
+    DEVELOPER_TOKEN_NOT_WHITELISTED = 3;
+
+    // The developer token is not allowed with the project sent in the request.
+    DEVELOPER_TOKEN_PROHIBITED = 4;
+
+    // The Google Cloud project sent in the request does not have permission to
+    // access the api.
+    PROJECT_DISABLED = 5;
+
+    // Authorization of the client failed.
+    AUTHORIZATION_ERROR = 6;
+
+    // The user does not have permission to perform this action
+    // (e.g., ADD, UPDATE, REMOVE) on the resource or call a method.
+    ACTION_NOT_PERMITTED = 7;
+
+    // Signup not complete.
+    INCOMPLETE_SIGNUP = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/bidding_error.proto b/google/ads/googleads/v0/errors/bidding_error.proto
new file mode 100644
index 000000000..1d9b67cd7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/bidding_error.proto
@@ -0,0 +1,106 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing bidding errors.
+
+// Container for enum describing possible bidding errors.
+message BiddingErrorEnum {
+  // Enum describing possible bidding errors.
+  enum BiddingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Cannot transition to new bidding strategy.
+    BIDDING_STRATEGY_TRANSITION_NOT_ALLOWED = 2;
+
+    // Cannot attach bidding strategy to campaign.
+    CANNOT_ATTACH_BIDDING_STRATEGY_TO_CAMPAIGN = 7;
+
+    // Bidding strategy is not supported or cannot be used as anonymous.
+    INVALID_ANONYMOUS_BIDDING_STRATEGY_TYPE = 10;
+
+    // The type does not match the named strategy's type.
+    INVALID_BIDDING_STRATEGY_TYPE = 14;
+
+    // The bid is invalid.
+    INVALID_BID = 17;
+
+    // Bidding strategy is not available for the account type.
+    BIDDING_STRATEGY_NOT_AVAILABLE_FOR_ACCOUNT_TYPE = 18;
+
+    // Conversion tracking is not enabled for the campaign for VBB transition.
+    CONVERSION_TRACKING_NOT_ENABLED = 19;
+
+    // Not enough conversions tracked for VBB transitions.
+    NOT_ENOUGH_CONVERSIONS = 20;
+
+    // Campaign can not be created with given bidding strategy. It can be
+    // transitioned to the strategy, once eligible.
+    CANNOT_CREATE_CAMPAIGN_WITH_BIDDING_STRATEGY = 21;
+
+    // Cannot target content network only as campaign uses Page One Promoted
+    // bidding strategy.
+    CANNOT_TARGET_CONTENT_NETWORK_ONLY_WITH_CAMPAIGN_LEVEL_POP_BIDDING_STRATEGY = 23;
+
+    // Budget Optimizer and Target Spend bidding strategies are not supported
+    // for campaigns with AdSchedule targeting.
+    BIDDING_STRATEGY_NOT_SUPPORTED_WITH_AD_SCHEDULE = 24;
+
+    // Pay per conversion is not available to all the customer, only few
+    // whitelisted customers can use this.
+    PAY_PER_CONVERSION_NOT_AVAILABLE_FOR_CUSTOMER = 25;
+
+    // Pay per conversion is not allowed with Target CPA.
+    PAY_PER_CONVERSION_NOT_ALLOWED_WITH_TARGET_CPA = 26;
+
+    // Cannot set bidding strategy to Manual CPM for search network only
+    // campaigns.
+    BIDDING_STRATEGY_NOT_ALLOWED_FOR_SEARCH_ONLY_CAMPAIGNS = 27;
+
+    // The bidding strategy is not supported for use in drafts or experiments.
+    BIDDING_STRATEGY_NOT_SUPPORTED_IN_DRAFTS_OR_EXPERIMENTS = 28;
+
+    // Bidding strategy type does not support product type ad group criterion.
+    BIDDING_STRATEGY_TYPE_DOES_NOT_SUPPORT_PRODUCT_TYPE_ADGROUP_CRITERION = 29;
+
+    // Bid amount is too small.
+    BID_TOO_SMALL = 30;
+
+    // Bid amount is too big.
+    BID_TOO_BIG = 31;
+
+    // Bid has too many fractional digit precision.
+    BID_TOO_MANY_FRACTIONAL_DIGITS = 32;
+
+    // Invalid domain name specified.
+    INVALID_DOMAIN_NAME = 33;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/bidding_strategy_error.proto b/google/ads/googleads/v0/errors/bidding_strategy_error.proto
new file mode 100644
index 000000000..f3b34f665
--- /dev/null
+++ b/google/ads/googleads/v0/errors/bidding_strategy_error.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingStrategyErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing bidding strategy errors.
+
+// Container for enum describing possible bidding strategy errors.
+message BiddingStrategyErrorEnum {
+  // Enum describing possible bidding strategy errors.
+  enum BiddingStrategyError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Each bidding strategy must have a unique name.
+    DUPLICATE_NAME = 2;
+
+    // Bidding strategy type is immutable.
+    CANNOT_CHANGE_BIDDING_STRATEGY_TYPE = 3;
+
+    // Only bidding strategies not linked to campaigns, adgroups or adgroup
+    // criteria can be removed.
+    CANNOT_REMOVE_ASSOCIATED_STRATEGY = 4;
+
+    // The specified bidding strategy is not supported.
+    BIDDING_STRATEGY_NOT_SUPPORTED = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/billing_setup_error.proto b/google/ads/googleads/v0/errors/billing_setup_error.proto
new file mode 100644
index 000000000..014e15113
--- /dev/null
+++ b/google/ads/googleads/v0/errors/billing_setup_error.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "BillingSetupErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing billing setup errors.
+
+// Container for enum describing possible billing setup errors.
+message BillingSetupErrorEnum {
+  // Enum describing possible billing setup errors.
+  enum BillingSetupError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Cannot use both an existing Payments account and a new Payments account
+    // when setting up billing.
+    CANNOT_USE_EXISTING_AND_NEW_ACCOUNT = 2;
+
+    // Cannot cancel an APPROVED billing setup whose start time has passed.
+    CANNOT_REMOVE_STARTED_BILLING_SETUP = 3;
+
+    // Cannot perform a Change of Bill-To (CBT) to the same Payments account.
+    CANNOT_CHANGE_BILLING_TO_SAME_PAYMENTS_ACCOUNT = 4;
+
+    // Billing Setups can only be used by customers with ENABLED or DRAFT
+    // status.
+    BILLING_SETUP_NOT_PERMITTED_FOR_CUSTOMER_STATUS = 5;
+
+    // Billing Setups must either include a correctly formatted existing
+    // Payments account id, or a non-empty new Payments account name.
+    INVALID_PAYMENTS_ACCOUNT = 6;
+
+    // Only billable and third party customers can create billing setups.
+    BILLING_SETUP_NOT_PERMITTED_FOR_CUSTOMER_CATEGORY = 7;
+
+    // Billing Setup creations can only use NOW for start time type.
+    INVALID_START_TIME_TYPE = 8;
+
+    // Billing Setups can only be created for a third party customer if they do
+    // not already have a setup.
+    THIRD_PARTY_ALREADY_HAS_BILLING = 9;
+
+    // Billing Setups cannot be created if there is already a pending billing in
+    // progress, ie. a billing known to Payments.
+    BILLING_SETUP_IN_PROGRESS = 10;
+
+    // Billing Setups can only be created by customers who have permission to
+    // setup billings. Users can contact a representative for help setting up
+    // permissions.
+    NO_SIGNUP_PERMISSION = 11;
+
+    // Billing Setups cannot be created if there is already a future-approved
+    // billing.
+    CHANGE_OF_BILL_TO_IN_PROGRESS = 12;
+
+    // Billing Setup creation failed because Payments could not find the
+    // requested Payments profile.
+    PAYMENTS_PROFILE_NOT_FOUND = 13;
+
+    // Billing Setup creation failed because Payments could not find the
+    // requested Payments account.
+    PAYMENTS_ACCOUNT_NOT_FOUND = 14;
+
+    // Billing Setup creation failed because Payments considers requested
+    // Payments profile ineligible.
+    PAYMENTS_PROFILE_INELIGIBLE = 15;
+
+    // Billing Setup creation failed because Payments considers requested
+    // Payments account ineligible.
+    PAYMENTS_ACCOUNT_INELIGIBLE = 16;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_budget_error.proto b/google/ads/googleads/v0/errors/campaign_budget_error.proto
new file mode 100644
index 000000000..4406fc380
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_budget_error.proto
@@ -0,0 +1,91 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignBudgetErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign budget errors.
+
+// Container for enum describing possible campaign budget errors.
+message CampaignBudgetErrorEnum {
+  // Enum describing possible campaign budget errors.
+  enum CampaignBudgetError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The campaign budget cannot be shared.
+    CAMPAIGN_BUDGET_CANNOT_BE_SHARED = 17;
+
+    // The requested campaign budget no longer exists.
+    CAMPAIGN_BUDGET_REMOVED = 2;
+
+    // The campaign budget is associated with at least one campaign, and so the
+    // campaign budget cannot be removed.
+    CAMPAIGN_BUDGET_IN_USE = 3;
+
+    // Customer is not whitelisted for this campaign budget period.
+    CAMPAIGN_BUDGET_PERIOD_NOT_AVAILABLE = 4;
+
+    // This field is not mutable on implicitly shared campaign budgets
+    CANNOT_MODIFY_FIELD_OF_IMPLICITLY_SHARED_CAMPAIGN_BUDGET = 6;
+
+    // Cannot change explicitly shared campaign budgets back to implicitly
+    // shared ones.
+    CANNOT_UPDATE_CAMPAIGN_BUDGET_TO_IMPLICITLY_SHARED = 7;
+
+    // An implicit campaign budget without a name cannot be changed to
+    // explicitly shared campaign budget.
+    CANNOT_UPDATE_CAMPAIGN_BUDGET_TO_EXPLICITLY_SHARED_WITHOUT_NAME = 8;
+
+    // Cannot change an implicitly shared campaign budget to an explicitly
+    // shared one.
+    CANNOT_UPDATE_CAMPAIGN_BUDGET_TO_EXPLICITLY_SHARED = 9;
+
+    // Only explicitly shared campaign budgets can be used with multiple
+    // campaigns.
+    CANNOT_USE_IMPLICITLY_SHARED_CAMPAIGN_BUDGET_WITH_MULTIPLE_CAMPAIGNS = 10;
+
+    // A campaign budget with this name already exists.
+    DUPLICATE_NAME = 11;
+
+    // A money amount was not in the expected currency.
+    MONEY_AMOUNT_IN_WRONG_CURRENCY = 12;
+
+    // A money amount was less than the minimum CPC for currency.
+    MONEY_AMOUNT_LESS_THAN_CURRENCY_MINIMUM_CPC = 13;
+
+    // A money amount was greater than the maximum allowed.
+    MONEY_AMOUNT_TOO_LARGE = 14;
+
+    // A money amount was negative.
+    NEGATIVE_MONEY_AMOUNT = 15;
+
+    // A money amount was not a multiple of a minimum unit.
+    NON_MULTIPLE_OF_MINIMUM_CURRENCY_UNIT = 16;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_criterion_error.proto b/google/ads/googleads/v0/errors/campaign_criterion_error.proto
new file mode 100644
index 000000000..af987e15a
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_criterion_error.proto
@@ -0,0 +1,78 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignCriterionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign criterion errors.
+
+// Container for enum describing possible campaign criterion errors.
+message CampaignCriterionErrorEnum {
+  // Enum describing possible campaign criterion errors.
+  enum CampaignCriterionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Concrete type of criterion (keyword v.s. placement) is required for
+    // CREATE and UPDATE operations.
+    CONCRETE_TYPE_REQUIRED = 2;
+
+    // Invalid placement URL.
+    INVALID_PLACEMENT_URL = 3;
+
+    // Criteria type can not be excluded for the campaign by the customer. like
+    // AOL account type cannot target site type criteria
+    CANNOT_EXCLUDE_CRITERIA_TYPE = 4;
+
+    // Cannot set the campaign criterion status for this criteria type.
+    CANNOT_SET_STATUS_FOR_CRITERIA_TYPE = 5;
+
+    // Cannot set the campaign criterion status for an excluded criteria.
+    CANNOT_SET_STATUS_FOR_EXCLUDED_CRITERIA = 6;
+
+    // Cannot target and exclude the same criterion.
+    CANNOT_TARGET_AND_EXCLUDE = 7;
+
+    // The mutate contained too many operations.
+    TOO_MANY_OPERATIONS = 8;
+
+    // This operator cannot be applied to a criterion of this type.
+    OPERATOR_NOT_SUPPORTED_FOR_CRITERION_TYPE = 9;
+
+    // The Shopping campaign sales country is not supported for
+    // ProductSalesChannel targeting.
+    SHOPPING_CAMPAIGN_SALES_COUNTRY_NOT_SUPPORTED_FOR_SALES_CHANNEL = 10;
+
+    // The existing field can't be updated with CREATE operation. It can be
+    // updated with UPDATE operation only.
+    CANNOT_ADD_EXISTING_FIELD = 11;
+
+    // Negative criteria are immutable, so updates are not allowed.
+    CANNOT_UPDATE_NEGATIVE_CRITERION = 12;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_error.proto b/google/ads/googleads/v0/errors/campaign_error.proto
new file mode 100644
index 000000000..b834ba24f
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_error.proto
@@ -0,0 +1,161 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign errors.
+
+// Container for enum describing possible campaign errors.
+message CampaignErrorEnum {
+  // Enum describing possible campaign errors.
+  enum CampaignError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Cannot target content network.
+    CANNOT_TARGET_CONTENT_NETWORK = 3;
+
+    // Cannot target search network.
+    CANNOT_TARGET_SEARCH_NETWORK = 4;
+
+    // Cannot cover search network without google search network.
+    CANNOT_TARGET_SEARCH_NETWORK_WITHOUT_GOOGLE_SEARCH = 5;
+
+    // Cannot target Google Search network for a CPM campaign.
+    CANNOT_TARGET_GOOGLE_SEARCH_FOR_CPM_CAMPAIGN = 6;
+
+    // Must target at least one network.
+    CAMPAIGN_MUST_TARGET_AT_LEAST_ONE_NETWORK = 7;
+
+    // Only some Google partners are allowed to target partner search network.
+    CANNOT_TARGET_PARTNER_SEARCH_NETWORK = 8;
+
+    // Cannot target content network only as campaign has criteria-level bidding
+    // strategy.
+    CANNOT_TARGET_CONTENT_NETWORK_ONLY_WITH_CRITERIA_LEVEL_BIDDING_STRATEGY = 9;
+
+    // Cannot modify the start or end date such that the campaign duration would
+    // not contain the durations of all runnable trials.
+    CAMPAIGN_DURATION_MUST_CONTAIN_ALL_RUNNABLE_TRIALS = 10;
+
+    // Cannot modify dates, budget or campaign name of a trial campaign.
+    CANNOT_MODIFY_FOR_TRIAL_CAMPAIGN = 11;
+
+    // Trying to modify the name of an active or paused campaign, where the name
+    // is already assigned to another active or paused campaign.
+    DUPLICATE_CAMPAIGN_NAME = 12;
+
+    // Two fields are in conflicting modes.
+    INCOMPATIBLE_CAMPAIGN_FIELD = 13;
+
+    // Campaign name cannot be used.
+    INVALID_CAMPAIGN_NAME = 14;
+
+    // Given status is invalid.
+    INVALID_AD_SERVING_OPTIMIZATION_STATUS = 15;
+
+    // Error in the campaign level tracking url.
+    INVALID_TRACKING_URL = 16;
+
+    // Cannot set both tracking url template and tracking setting. An user has
+    // to clear legacy tracking setting in order to add tracking url template.
+    CANNOT_SET_BOTH_TRACKING_URL_TEMPLATE_AND_TRACKING_SETTING = 17;
+
+    // The maximum number of impressions for Frequency Cap should be an integer
+    // greater than 0.
+    MAX_IMPRESSIONS_NOT_IN_RANGE = 18;
+
+    // Only the Day, Week and Month time units are supported.
+    TIME_UNIT_NOT_SUPPORTED = 19;
+
+    // Operation not allowed on a campaign whose serving status has ended
+    INVALID_OPERATION_IF_SERVING_STATUS_HAS_ENDED = 20;
+
+    // This budget is exclusively linked to a Campaign that is using experiments
+    // so it cannot be shared.
+    BUDGET_CANNOT_BE_SHARED = 21;
+
+    // Campaigns using experiments cannot use a shared budget.
+    CAMPAIGN_CANNOT_USE_SHARED_BUDGET = 22;
+
+    // A different budget cannot be assigned to a campaign when there are
+    // running or scheduled trials.
+    CANNOT_CHANGE_BUDGET_ON_CAMPAIGN_WITH_TRIALS = 23;
+
+    // No link found between the campaign and the label.
+    CAMPAIGN_LABEL_DOES_NOT_EXIST = 24;
+
+    // The label has already been attached to the campaign.
+    CAMPAIGN_LABEL_ALREADY_EXISTS = 25;
+
+    // A ShoppingSetting was not found when creating a shopping campaign.
+    MISSING_SHOPPING_SETTING = 26;
+
+    // The country in shopping setting is not an allowed country.
+    INVALID_SHOPPING_SALES_COUNTRY = 27;
+
+    // A Campaign with channel sub type UNIVERSAL_APP_CAMPAIGN must have a
+    // UniversalAppCampaignSetting specified.
+    MISSING_UNIVERSAL_APP_CAMPAIGN_SETTING = 30;
+
+    // The requested channel type is not available according to the customer's
+    // account setting.
+    ADVERTISING_CHANNEL_TYPE_NOT_AVAILABLE_FOR_ACCOUNT_TYPE = 31;
+
+    // The AdvertisingChannelSubType is not a valid subtype of the primary
+    // channel type.
+    INVALID_ADVERTISING_CHANNEL_SUB_TYPE = 32;
+
+    // At least one conversion must be selected.
+    AT_LEAST_ONE_CONVERSION_MUST_BE_SELECTED = 33;
+
+    // Setting ad rotation mode for a campaign is not allowed. Ad rotation mode
+    // at campaign is deprecated.
+    CANNOT_SET_AD_ROTATION_MODE = 34;
+
+    // Trying to change start date on a campaign that has started.
+    CANNOT_MODIFY_START_DATE_IF_ALREADY_STARTED = 35;
+
+    // Trying to modify a date into the past.
+    CANNOT_SET_DATE_TO_PAST = 36;
+
+    // Hotel center id in the hotel setting does not match any customer links.
+    MISSING_HOTEL_CUSTOMER_LINK = 37;
+
+    // Hotel center id in the hotel setting must match an active customer link.
+    INVALID_HOTEL_CUSTOMER_LINK = 38;
+
+    // Hotel setting was not found when creating a hotel ads campaign.
+    MISSING_HOTEL_SETTING = 39;
+
+    // A Campaign cannot use shared campaign budgets and be part of a campaign
+    // group.
+    CANNOT_USE_SHARED_CAMPAIGN_BUDGET_WHILE_PART_OF_CAMPAIGN_GROUP = 40;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_feed_error.proto b/google/ads/googleads/v0/errors/campaign_feed_error.proto
new file mode 100644
index 000000000..84dfa59e4
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_feed_error.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignFeedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign feed errors.
+
+// Container for enum describing possible campaign feed errors.
+message CampaignFeedErrorEnum {
+  // Enum describing possible campaign feed errors.
+  enum CampaignFeedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // An active feed already exists for this campaign and placeholder type.
+    FEED_ALREADY_EXISTS_FOR_PLACEHOLDER_TYPE = 2;
+
+    // The specified feed is removed.
+    CANNOT_CREATE_FOR_REMOVED_FEED = 4;
+
+    // The CampaignFeed already exists. UPDATE should be used to modify the
+    // existing CampaignFeed.
+    CANNOT_CREATE_ALREADY_EXISTING_CAMPAIGN_FEED = 5;
+
+    // Cannot update removed campaign feed.
+    CANNOT_MODIFY_REMOVED_CAMPAIGN_FEED = 6;
+
+    // Invalid placeholder type.
+    INVALID_PLACEHOLDER_TYPE = 7;
+
+    // Feed mapping for this placeholder type does not exist.
+    MISSING_FEEDMAPPING_FOR_PLACEHOLDER_TYPE = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_group_error.proto b/google/ads/googleads/v0/errors/campaign_group_error.proto
new file mode 100644
index 000000000..59ef06478
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_group_error.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignGroupErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign group errors.
+
+// Container for enum describing possible campaign group errors.
+message CampaignGroupErrorEnum {
+  // Enum describing possible campaign group errors.
+  enum CampaignGroupError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // CampaignGroup was removed with ENABLED or PAUSED Campaigns associated
+    // with it.
+    CANNOT_REMOVE_CAMPAIGN_GROUP_WITH_ENABLED_OR_PAUSED_CAMPAIGNS = 2;
+
+    // CampaignGroup with the given name already exists.
+    DUPLICATE_NAME = 3;
+
+    // Cannot modify a removed campaign group.
+    CANNOT_MODIFY_REMOVED_CAMPAIGN_GROUP = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/campaign_shared_set_error.proto b/google/ads/googleads/v0/errors/campaign_shared_set_error.proto
new file mode 100644
index 000000000..24930f12f
--- /dev/null
+++ b/google/ads/googleads/v0/errors/campaign_shared_set_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignSharedSetErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing campaign shared set errors.
+
+// Container for enum describing possible campaign shared set errors.
+message CampaignSharedSetErrorEnum {
+  // Enum describing possible campaign shared set errors.
+  enum CampaignSharedSetError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The shared set belongs to another customer and permission isn't granted.
+    SHARED_SET_ACCESS_DENIED = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/change_status_error.proto b/google/ads/googleads/v0/errors/change_status_error.proto
new file mode 100644
index 000000000..33ab4df31
--- /dev/null
+++ b/google/ads/googleads/v0/errors/change_status_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ChangeStatusErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing change status errors.
+
+// Container for enum describing possible change status errors.
+message ChangeStatusErrorEnum {
+  // Enum describing possible change status errors.
+  enum ChangeStatusError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The requested start date is too old.
+    START_DATE_TOO_OLD = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/collection_size_error.proto b/google/ads/googleads/v0/errors/collection_size_error.proto
new file mode 100644
index 000000000..5c458e744
--- /dev/null
+++ b/google/ads/googleads/v0/errors/collection_size_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CollectionSizeErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing collection size errors.
+
+// Container for enum describing possible collection size errors.
+message CollectionSizeErrorEnum {
+  // Enum describing possible collection size errors.
+  enum CollectionSizeError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Too few.
+    TOO_FEW = 2;
+
+    // Too many.
+    TOO_MANY = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/context_error.proto b/google/ads/googleads/v0/errors/context_error.proto
new file mode 100644
index 000000000..3ab92577f
--- /dev/null
+++ b/google/ads/googleads/v0/errors/context_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ContextErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing context errors.
+
+// Container for enum describing possible context errors.
+message ContextErrorEnum {
+  // Enum describing possible context errors.
+  enum ContextError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The operation is not allowed for the given context.
+    OPERATION_NOT_PERMITTED_FOR_CONTEXT = 2;
+
+    // The operation is not allowed for removed resources.
+    OPERATION_NOT_PERMITTED_FOR_REMOVED_RESOURCE = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/conversion_action_error.proto b/google/ads/googleads/v0/errors/conversion_action_error.proto
new file mode 100644
index 000000000..b20001ef6
--- /dev/null
+++ b/google/ads/googleads/v0/errors/conversion_action_error.proto
@@ -0,0 +1,72 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing conversion action errors.
+
+// Container for enum describing possible conversion action errors.
+message ConversionActionErrorEnum {
+  // Enum describing possible conversion action errors.
+  enum ConversionActionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The specified conversion action name already exists.
+    DUPLICATE_NAME = 2;
+
+    // Another conversion action with the specified app id already exists.
+    DUPLICATE_APP_ID = 3;
+
+    // Android first open action conflicts with Google play codeless download
+    // action tracking the same app.
+    TWO_CONVERSION_ACTIONS_BIDDING_ON_SAME_APP_DOWNLOAD = 4;
+
+    // Android first open action conflicts with Google play codeless download
+    // action tracking the same app.
+    BIDDING_ON_SAME_APP_DOWNLOAD_AS_GLOBAL_ACTION = 5;
+
+    // The attribution model cannot be set to DATA_DRIVEN because a data-driven
+    // model has never been generated.
+    DATA_DRIVEN_MODEL_WAS_NEVER_GENERATED = 6;
+
+    // The attribution model cannot be set to DATA_DRIVEN because the
+    // data-driven model is expired.
+    DATA_DRIVEN_MODEL_EXPIRED = 7;
+
+    // The attribution model cannot be set to DATA_DRIVEN because the
+    // data-driven model is stale.
+    DATA_DRIVEN_MODEL_STALE = 8;
+
+    // The attribution model cannot be set to DATA_DRIVEN because the
+    // data-driven model is unavailable or the conversion action was newly
+    // added.
+    DATA_DRIVEN_MODEL_UNKNOWN = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/criterion_error.proto b/google/ads/googleads/v0/errors/criterion_error.proto
new file mode 100644
index 000000000..f7d8ace57
--- /dev/null
+++ b/google/ads/googleads/v0/errors/criterion_error.proto
@@ -0,0 +1,322 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CriterionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing criterion errors.
+
+// Container for enum describing possible criterion errors.
+message CriterionErrorEnum {
+  // Enum describing possible criterion errors.
+  enum CriterionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Concrete type of criterion is required for CREATE and UPDATE operations.
+    CONCRETE_TYPE_REQUIRED = 2;
+
+    // The category requested for exclusion is invalid.
+    INVALID_EXCLUDED_CATEGORY = 3;
+
+    // Invalid keyword criteria text.
+    INVALID_KEYWORD_TEXT = 4;
+
+    // Keyword text should be less than 80 chars.
+    KEYWORD_TEXT_TOO_LONG = 5;
+
+    // Keyword text has too many words.
+    KEYWORD_HAS_TOO_MANY_WORDS = 6;
+
+    // Keyword text has invalid characters or symbols.
+    KEYWORD_HAS_INVALID_CHARS = 7;
+
+    // Invalid placement URL.
+    INVALID_PLACEMENT_URL = 8;
+
+    // Invalid user list criterion.
+    INVALID_USER_LIST = 9;
+
+    // Invalid user interest criterion.
+    INVALID_USER_INTEREST = 10;
+
+    // Placement URL has wrong format.
+    INVALID_FORMAT_FOR_PLACEMENT_URL = 11;
+
+    // Placement URL is too long.
+    PLACEMENT_URL_IS_TOO_LONG = 12;
+
+    // Indicates the URL contains an illegal character.
+    PLACEMENT_URL_HAS_ILLEGAL_CHAR = 13;
+
+    // Indicates the URL contains multiple comma separated URLs.
+    PLACEMENT_URL_HAS_MULTIPLE_SITES_IN_LINE = 14;
+
+    // Indicates the domain is blacklisted.
+    PLACEMENT_IS_NOT_AVAILABLE_FOR_TARGETING_OR_EXCLUSION = 15;
+
+    // Invalid topic path.
+    INVALID_TOPIC_PATH = 16;
+
+    // The YouTube Channel Id is invalid.
+    INVALID_YOUTUBE_CHANNEL_ID = 17;
+
+    // The YouTube Video Id is invalid.
+    INVALID_YOUTUBE_VIDEO_ID = 18;
+
+    // Indicates the placement is a YouTube vertical channel, which is no longer
+    // supported.
+    YOUTUBE_VERTICAL_CHANNEL_DEPRECATED = 19;
+
+    // Indicates the placement is a YouTube demographic channel, which is no
+    // longer supported.
+    YOUTUBE_DEMOGRAPHIC_CHANNEL_DEPRECATED = 20;
+
+    // YouTube urls are not supported in Placement criterion. Use YouTubeChannel
+    // and YouTubeVideo criterion instead.
+    YOUTUBE_URL_UNSUPPORTED = 21;
+
+    // Criteria type can not be excluded by the customer, like AOL account type
+    // cannot target site type criteria.
+    CANNOT_EXCLUDE_CRITERIA_TYPE = 22;
+
+    // Criteria type can not be targeted.
+    CANNOT_ADD_CRITERIA_TYPE = 23;
+
+    // Product filter in the product criteria has invalid characters. Operand
+    // and the argument in the filter can not have "==" or "&+".
+    INVALID_PRODUCT_FILTER = 24;
+
+    // Product filter in the product criteria is translated to a string as
+    // operand1==argument1&+operand2==argument2, maximum allowed length for the
+    // string is 255 chars.
+    PRODUCT_FILTER_TOO_LONG = 25;
+
+    // Not allowed to exclude similar user list.
+    CANNOT_EXCLUDE_SIMILAR_USER_LIST = 26;
+
+    // Not allowed to target a closed user list.
+    CANNOT_ADD_CLOSED_USER_LIST = 27;
+
+    // Not allowed to add display only UserLists to search only campaigns.
+    CANNOT_ADD_DISPLAY_ONLY_LISTS_TO_SEARCH_ONLY_CAMPAIGNS = 28;
+
+    // Not allowed to add display only UserLists to search plus campaigns.
+    CANNOT_ADD_DISPLAY_ONLY_LISTS_TO_SEARCH_CAMPAIGNS = 29;
+
+    // Not allowed to add display only UserLists to shopping campaigns.
+    CANNOT_ADD_DISPLAY_ONLY_LISTS_TO_SHOPPING_CAMPAIGNS = 30;
+
+    // Not allowed to add User interests to search only campaigns.
+    CANNOT_ADD_USER_INTERESTS_TO_SEARCH_CAMPAIGNS = 31;
+
+    // Not allowed to set bids for this criterion type in search campaigns
+    CANNOT_SET_BIDS_ON_CRITERION_TYPE_IN_SEARCH_CAMPAIGNS = 32;
+
+    // Final URLs, URL Templates and CustomParameters cannot be set for the
+    // criterion types of Gender, AgeRange, UserList, Placement, MobileApp, and
+    // MobileAppCategory in search campaigns and shopping campaigns.
+    CANNOT_ADD_URLS_TO_CRITERION_TYPE_FOR_CAMPAIGN_TYPE = 33;
+
+    // IP address is not valid.
+    INVALID_IP_ADDRESS = 34;
+
+    // IP format is not valid.
+    INVALID_IP_FORMAT = 35;
+
+    // Mobile application is not valid.
+    INVALID_MOBILE_APP = 36;
+
+    // Mobile application category is not valid.
+    INVALID_MOBILE_APP_CATEGORY = 37;
+
+    // The CriterionId does not exist or is of the incorrect type.
+    INVALID_CRITERION_ID = 38;
+
+    // The Criterion is not allowed to be targeted.
+    CANNOT_TARGET_CRITERION = 39;
+
+    // The criterion is not allowed to be targeted as it is deprecated.
+    CANNOT_TARGET_OBSOLETE_CRITERION = 40;
+
+    // The CriterionId is not valid for the type.
+    CRITERION_ID_AND_TYPE_MISMATCH = 41;
+
+    // Distance for the radius for the proximity criterion is invalid.
+    INVALID_PROXIMITY_RADIUS = 42;
+
+    // Units for the distance for the radius for the proximity criterion is
+    // invalid.
+    INVALID_PROXIMITY_RADIUS_UNITS = 43;
+
+    // Street address in the address is not valid.
+    INVALID_STREETADDRESS_LENGTH = 44;
+
+    // City name in the address is not valid.
+    INVALID_CITYNAME_LENGTH = 45;
+
+    // Region code in the address is not valid.
+    INVALID_REGIONCODE_LENGTH = 46;
+
+    // Region name in the address is not valid.
+    INVALID_REGIONNAME_LENGTH = 47;
+
+    // Postal code in the address is not valid.
+    INVALID_POSTALCODE_LENGTH = 48;
+
+    // Country code in the address is not valid.
+    INVALID_COUNTRY_CODE = 49;
+
+    // Latitude for the GeoPoint is not valid.
+    INVALID_LATITUDE = 50;
+
+    // Longitude for the GeoPoint is not valid.
+    INVALID_LONGITUDE = 51;
+
+    // The Proximity input is not valid. Both address and geoPoint cannot be
+    // null.
+    PROXIMITY_GEOPOINT_AND_ADDRESS_BOTH_CANNOT_BE_NULL = 52;
+
+    // The Proximity address cannot be geocoded to a valid lat/long.
+    INVALID_PROXIMITY_ADDRESS = 53;
+
+    // User domain name is not valid.
+    INVALID_USER_DOMAIN_NAME = 54;
+
+    // Length of serialized criterion parameter exceeded size limit.
+    CRITERION_PARAMETER_TOO_LONG = 55;
+
+    // Time interval in the AdSchedule overlaps with another AdSchedule.
+    AD_SCHEDULE_TIME_INTERVALS_OVERLAP = 56;
+
+    // AdSchedule time interval cannot span multiple days.
+    AD_SCHEDULE_INTERVAL_CANNOT_SPAN_MULTIPLE_DAYS = 57;
+
+    // AdSchedule time interval specified is invalid, endTime cannot be earlier
+    // than startTime.
+    AD_SCHEDULE_INVALID_TIME_INTERVAL = 58;
+
+    // The number of AdSchedule entries in a day exceeds the limit.
+    AD_SCHEDULE_EXCEEDED_INTERVALS_PER_DAY_LIMIT = 59;
+
+    // CriteriaId does not match the interval of the AdSchedule specified.
+    AD_SCHEDULE_CRITERION_ID_MISMATCHING_FIELDS = 60;
+
+    // Cannot set bid modifier for this criterion type.
+    CANNOT_BID_MODIFY_CRITERION_TYPE = 61;
+
+    // Cannot bid modify criterion, since it is opted out of the campaign.
+    CANNOT_BID_MODIFY_CRITERION_CAMPAIGN_OPTED_OUT = 62;
+
+    // Cannot set bid modifier for a negative criterion.
+    CANNOT_BID_MODIFY_NEGATIVE_CRITERION = 63;
+
+    // Bid Modifier already exists. Use SET operation to update.
+    BID_MODIFIER_ALREADY_EXISTS = 64;
+
+    // Feed Id is not allowed in these Location Groups.
+    FEED_ID_NOT_ALLOWED = 65;
+
+    // The account may not use the requested criteria type. For example, some
+    // accounts are restricted to keywords only.
+    ACCOUNT_INELIGIBLE_FOR_CRITERIA_TYPE = 66;
+
+    // The requested criteria type cannot be used with campaign or ad group
+    // bidding strategy.
+    CRITERIA_TYPE_INVALID_FOR_BIDDING_STRATEGY = 67;
+
+    // The Criterion is not allowed to be excluded.
+    CANNOT_EXCLUDE_CRITERION = 68;
+
+    // The criterion is not allowed to be removed. For example, we cannot remove
+    // any of the device criterion.
+    CANNOT_REMOVE_CRITERION = 69;
+
+    // The combined length of product dimension values of the product scope
+    // criterion is too long.
+    PRODUCT_SCOPE_TOO_LONG = 70;
+
+    // Product scope contains too many dimensions.
+    PRODUCT_SCOPE_TOO_MANY_DIMENSIONS = 71;
+
+    // The combined length of product dimension values of the product partition
+    // criterion is too long.
+    PRODUCT_PARTITION_TOO_LONG = 72;
+
+    // Product partition contains too many dimensions.
+    PRODUCT_PARTITION_TOO_MANY_DIMENSIONS = 73;
+
+    // The product dimension is invalid (e.g. dimension contains illegal value,
+    // dimension type is represented with wrong class, etc). Product dimension
+    // value can not contain "==" or "&+".
+    INVALID_PRODUCT_DIMENSION = 74;
+
+    // Product dimension type is either invalid for campaigns of this type or
+    // cannot be used in the current context. BIDDING_CATEGORY_Lx and
+    // PRODUCT_TYPE_Lx product dimensions must be used in ascending order of
+    // their levels: L1, L2, L3, L4, L5... The levels must be specified
+    // sequentially and start from L1. Furthermore, an "others" product
+    // partition cannot be subdivided with a dimension of the same type but of a
+    // higher level ("others" BIDDING_CATEGORY_L3 can be subdivided with BRAND
+    // but not with BIDDING_CATEGORY_L4).
+    INVALID_PRODUCT_DIMENSION_TYPE = 75;
+
+    // Bidding categories do not form a valid path in the Shopping bidding
+    // category taxonomy.
+    INVALID_PRODUCT_BIDDING_CATEGORY = 76;
+
+    // ShoppingSetting must be added to the campaign before ProductScope
+    // criteria can be added.
+    MISSING_SHOPPING_SETTING = 77;
+
+    // Matching function is invalid.
+    INVALID_MATCHING_FUNCTION = 78;
+
+    // Filter parameters not allowed for location groups targeting.
+    LOCATION_FILTER_NOT_ALLOWED = 79;
+
+    // Given location filter parameter is invalid for location groups targeting.
+    LOCATION_FILTER_INVALID = 80;
+
+    // Criteria type cannot be associated with a campaign and its ad group(s)
+    // simultaneously.
+    CANNOT_ATTACH_CRITERIA_AT_CAMPAIGN_AND_ADGROUP = 81;
+
+    // Range represented by hotel length of stay's min nights and max nights
+    // overlaps with an existing criterion.
+    HOTEL_LENGTH_OF_STAY_OVERLAPS_WITH_EXISTING_CRITERION = 82;
+
+    // Range represented by hotel advance booking window's min days and max days
+    // overlaps with an existing criterion.
+    HOTEL_ADVANCE_BOOKING_WINDOW_OVERLAPS_WITH_EXISTING_CRITERION = 83;
+
+    // The field is not allowed to be set when the negative field is set to
+    // true, e.g. we don't allow bids in negative ad group or campaign criteria.
+    FIELD_INCOMPATIBLE_WITH_NEGATIVE_TARGETING = 84;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/customer_client_link_error.proto b/google/ads/googleads/v0/errors/customer_client_link_error.proto
new file mode 100644
index 000000000..e6f6857d6
--- /dev/null
+++ b/google/ads/googleads/v0/errors/customer_client_link_error.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerClientLinkErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing CustomerClientLink errors.
+
+// Container for enum describing possible CustomeClientLink errors.
+message CustomerClientLinkErrorEnum {
+  // Enum describing possible CustomerClientLink errors.
+  enum CustomerClientLinkError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Trying to manage a client that already in being managed by customer.
+    CLIENT_ALREADY_INVITED_BY_THIS_MANAGER = 2;
+
+    // Already managed by some other manager in the hierarchy.
+    CLIENT_ALREADY_MANAGED_IN_HIERARCHY = 3;
+
+    // Attempt to create a cycle in the hierarchy.
+    CYCLIC_LINK_NOT_ALLOWED = 4;
+
+    // Managed accounts has the maximum number of linked accounts.
+    CUSTOMER_HAS_TOO_MANY_ACCOUNTS = 5;
+
+    // Invitor has the maximum pending invitations.
+    CLIENT_HAS_TOO_MANY_INVITATIONS = 6;
+
+    // Attempt to change hidden status of a link that is not active.
+    CANNOT_HIDE_OR_UNHIDE_MANAGER_ACCOUNTS = 7;
+
+    // Parent manager account has the maximum number of linked accounts.
+    CUSTOMER_HAS_TOO_MANY_ACCOUNTS_AT_MANAGER = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/customer_error.proto b/google/ads/googleads/v0/errors/customer_error.proto
new file mode 100644
index 000000000..fb666f943
--- /dev/null
+++ b/google/ads/googleads/v0/errors/customer_error.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+
+
+// Container for enum describing possible customer errors.
+message CustomerErrorEnum {
+  // Set of errors that are related to requests dealing with Customer.
+  // Next id: 26
+  enum CustomerError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Customer status is not allowed to be changed from DRAFT and CLOSED.
+    // Currency code and at least one of country code and time zone needs to be
+    // set when status is changed to ENABLED.
+    STATUS_CHANGE_DISALLOWED = 2;
+
+    // CustomerService cannot get a customer that has not been fully set up.
+    ACCOUNT_NOT_SET_UP = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/customer_feed_error.proto b/google/ads/googleads/v0/errors/customer_feed_error.proto
new file mode 100644
index 000000000..ae435b905
--- /dev/null
+++ b/google/ads/googleads/v0/errors/customer_feed_error.proto
@@ -0,0 +1,63 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerFeedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing customer feed errors.
+
+// Container for enum describing possible customer feed errors.
+message CustomerFeedErrorEnum {
+  // Enum describing possible customer feed errors.
+  enum CustomerFeedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // An active feed already exists for this customer and place holder type.
+    FEED_ALREADY_EXISTS_FOR_PLACEHOLDER_TYPE = 2;
+
+    // The specified feed is removed.
+    CANNOT_CREATE_FOR_REMOVED_FEED = 3;
+
+    // The CustomerFeed already exists. Update should be used to modify the
+    // existing CustomerFeed.
+    CANNOT_CREATE_ALREADY_EXISTING_CUSTOMER_FEED = 4;
+
+    // Cannot update removed customer feed.
+    CANNOT_MODIFY_REMOVED_CUSTOMER_FEED = 5;
+
+    // Invalid placeholder type.
+    INVALID_PLACEHOLDER_TYPE = 6;
+
+    // Feed mapping for this placeholder type does not exist.
+    MISSING_FEEDMAPPING_FOR_PLACEHOLDER_TYPE = 7;
+
+    // Placeholder not allowed at the account level.
+    PLACEHOLDER_TYPE_NOT_ALLOWED_ON_CUSTOMER_FEED = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/customer_manager_link_error.proto b/google/ads/googleads/v0/errors/customer_manager_link_error.proto
new file mode 100644
index 000000000..ba8aa545e
--- /dev/null
+++ b/google/ads/googleads/v0/errors/customer_manager_link_error.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerManagerLinkErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing CustomerManagerLink errors.
+
+// Container for enum describing possible CustomerManagerLink errors.
+message CustomerManagerLinkErrorEnum {
+  // Enum describing possible CustomerManagerLink errors.
+  enum CustomerManagerLinkError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // No pending invitation.
+    NO_PENDING_INVITE = 2;
+
+    // Attempt to operate on the same client more than once in the same call.
+    SAME_CLIENT_MORE_THAN_ONCE_PER_CALL = 3;
+
+    // Manager account has the maximum number of linked accounts.
+    MANAGER_HAS_MAX_NUMBER_OF_LINKED_ACCOUNTS = 4;
+
+    // If no active user on account it cannot be unlinked from its manager.
+    CANNOT_UNLINK_ACCOUNT_WITHOUT_ACTIVE_USER = 5;
+
+    // Account should have at least one active owner on it before being
+    // unlinked.
+    CANNOT_REMOVE_LAST_CLIENT_ACCOUNT_OWNER = 6;
+
+    // Only account owners may change their permission role.
+    CANNOT_CHANGE_ROLE_BY_NON_ACCOUNT_OWNER = 7;
+
+    // When a client's link to its manager is not active, the link role cannot
+    // be changed.
+    CANNOT_CHANGE_ROLE_FOR_NON_ACTIVE_LINK_ACCOUNT = 8;
+
+    // Attempt to link a child to a parent that contains or will contain
+    // duplicate children.
+    DUPLICATE_CHILD_FOUND = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/database_error.proto b/google/ads/googleads/v0/errors/database_error.proto
new file mode 100644
index 000000000..9bc931559
--- /dev/null
+++ b/google/ads/googleads/v0/errors/database_error.proto
@@ -0,0 +1,45 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "DatabaseErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing database errors.
+
+// Container for enum describing possible database errors.
+message DatabaseErrorEnum {
+  // Enum describing possible database errors.
+  enum DatabaseError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Multiple requests were attempting to modify the same resource at once.
+    // Please retry the request.
+    CONCURRENT_MODIFICATION = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/date_error.proto b/google/ads/googleads/v0/errors/date_error.proto
new file mode 100644
index 000000000..0510a0aaf
--- /dev/null
+++ b/google/ads/googleads/v0/errors/date_error.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "DateErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing date errors.
+
+// Container for enum describing possible date errors.
+message DateErrorEnum {
+  // Enum describing possible date errors.
+  enum DateError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Given field values do not correspond to a valid date.
+    INVALID_FIELD_VALUES_IN_DATE = 2;
+
+    // Given field values do not correspond to a valid date time.
+    INVALID_FIELD_VALUES_IN_DATE_TIME = 3;
+
+    // The string date's format should be yyyy-mm-dd.
+    INVALID_STRING_DATE = 4;
+
+    // The string date time's format should be yyyy-mm-dd hh:mm:ss.ssssss.
+    INVALID_STRING_DATE_TIME_MICROS = 6;
+
+    // The string date time's format should be yyyy-mm-dd hh:mm:ss.
+    INVALID_STRING_DATE_TIME_SECONDS = 11;
+
+    // Date is before allowed minimum.
+    EARLIER_THAN_MINIMUM_DATE = 7;
+
+    // Date is after allowed maximum.
+    LATER_THAN_MAXIMUM_DATE = 8;
+
+    // Date range bounds are not in order.
+    DATE_RANGE_MINIMUM_DATE_LATER_THAN_MAXIMUM_DATE = 9;
+
+    // Both dates in range are null.
+    DATE_RANGE_MINIMUM_AND_MAXIMUM_DATES_BOTH_NULL = 10;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/date_range_error.proto b/google/ads/googleads/v0/errors/date_range_error.proto
new file mode 100644
index 000000000..3ddcd4639
--- /dev/null
+++ b/google/ads/googleads/v0/errors/date_range_error.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "DateRangeErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing date range errors.
+
+// Container for enum describing possible date range errors.
+message DateRangeErrorEnum {
+  // Enum describing possible date range errors.
+  enum DateRangeError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Invalid date.
+    INVALID_DATE = 2;
+
+    // The start date was after the end date.
+    START_DATE_AFTER_END_DATE = 3;
+
+    // Cannot set date to past time
+    CANNOT_SET_DATE_TO_PAST = 4;
+
+    // A date was used that is past the system "last" date.
+    AFTER_MAXIMUM_ALLOWABLE_DATE = 5;
+
+    // Trying to change start date on a campaign that has started.
+    CANNOT_MODIFY_START_DATE_IF_ALREADY_STARTED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/distinct_error.proto b/google/ads/googleads/v0/errors/distinct_error.proto
new file mode 100644
index 000000000..b9329f629
--- /dev/null
+++ b/google/ads/googleads/v0/errors/distinct_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "DistinctErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing distinct errors.
+
+// Container for enum describing possible distinct errors.
+message DistinctErrorEnum {
+  // Enum describing possible distinct errors.
+  enum DistinctError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Duplicate element.
+    DUPLICATE_ELEMENT = 2;
+
+    // Duplicate type.
+    DUPLICATE_TYPE = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/enum_error.proto b/google/ads/googleads/v0/errors/enum_error.proto
new file mode 100644
index 000000000..a09e2c6b7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/enum_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "EnumErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing enum errors.
+
+// Container for enum describing possible enum errors.
+message EnumErrorEnum {
+  // Enum describing possible enum errors.
+  enum EnumError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The enum value is not permitted.
+    ENUM_VALUE_NOT_PERMITTED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/errors.proto b/google/ads/googleads/v0/errors/errors.proto
new file mode 100644
index 000000000..cef2e7dfa
--- /dev/null
+++ b/google/ads/googleads/v0/errors/errors.proto
@@ -0,0 +1,442 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+import "google/ads/googleads/v0/common/policy.proto";
+import "google/ads/googleads/v0/common/value.proto";
+import "google/ads/googleads/v0/errors/account_budget_proposal_error.proto";
+import "google/ads/googleads/v0/errors/ad_customizer_error.proto";
+import "google/ads/googleads/v0/errors/ad_error.proto";
+import "google/ads/googleads/v0/errors/ad_group_ad_error.proto";
+import "google/ads/googleads/v0/errors/ad_group_bid_modifier_error.proto";
+import "google/ads/googleads/v0/errors/ad_group_criterion_error.proto";
+import "google/ads/googleads/v0/errors/ad_group_error.proto";
+import "google/ads/googleads/v0/errors/ad_group_feed_error.proto";
+import "google/ads/googleads/v0/errors/ad_sharing_error.proto";
+import "google/ads/googleads/v0/errors/adx_error.proto";
+import "google/ads/googleads/v0/errors/authentication_error.proto";
+import "google/ads/googleads/v0/errors/authorization_error.proto";
+import "google/ads/googleads/v0/errors/bidding_error.proto";
+import "google/ads/googleads/v0/errors/bidding_strategy_error.proto";
+import "google/ads/googleads/v0/errors/billing_setup_error.proto";
+import "google/ads/googleads/v0/errors/campaign_budget_error.proto";
+import "google/ads/googleads/v0/errors/campaign_criterion_error.proto";
+import "google/ads/googleads/v0/errors/campaign_error.proto";
+import "google/ads/googleads/v0/errors/campaign_feed_error.proto";
+import "google/ads/googleads/v0/errors/campaign_group_error.proto";
+import "google/ads/googleads/v0/errors/campaign_shared_set_error.proto";
+import "google/ads/googleads/v0/errors/change_status_error.proto";
+import "google/ads/googleads/v0/errors/collection_size_error.proto";
+import "google/ads/googleads/v0/errors/context_error.proto";
+import "google/ads/googleads/v0/errors/conversion_action_error.proto";
+import "google/ads/googleads/v0/errors/criterion_error.proto";
+import "google/ads/googleads/v0/errors/customer_client_link_error.proto";
+import "google/ads/googleads/v0/errors/customer_error.proto";
+import "google/ads/googleads/v0/errors/customer_feed_error.proto";
+import "google/ads/googleads/v0/errors/customer_manager_link_error.proto";
+import "google/ads/googleads/v0/errors/database_error.proto";
+import "google/ads/googleads/v0/errors/date_error.proto";
+import "google/ads/googleads/v0/errors/date_range_error.proto";
+import "google/ads/googleads/v0/errors/distinct_error.proto";
+import "google/ads/googleads/v0/errors/enum_error.proto";
+import "google/ads/googleads/v0/errors/feed_attribute_reference_error.proto";
+import "google/ads/googleads/v0/errors/feed_error.proto";
+import "google/ads/googleads/v0/errors/feed_item_error.proto";
+import "google/ads/googleads/v0/errors/feed_mapping_error.proto";
+import "google/ads/googleads/v0/errors/field_error.proto";
+import "google/ads/googleads/v0/errors/field_mask_error.proto";
+import "google/ads/googleads/v0/errors/function_error.proto";
+import "google/ads/googleads/v0/errors/function_parsing_error.proto";
+import "google/ads/googleads/v0/errors/geo_target_constant_suggestion_error.proto";
+import "google/ads/googleads/v0/errors/header_error.proto";
+import "google/ads/googleads/v0/errors/id_error.proto";
+import "google/ads/googleads/v0/errors/image_error.proto";
+import "google/ads/googleads/v0/errors/internal_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_ad_group_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_campaign_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_idea_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_keyword_error.proto";
+import "google/ads/googleads/v0/errors/keyword_plan_negative_keyword_error.proto";
+import "google/ads/googleads/v0/errors/list_operation_error.proto";
+import "google/ads/googleads/v0/errors/media_bundle_error.proto";
+import "google/ads/googleads/v0/errors/media_file_error.proto";
+import "google/ads/googleads/v0/errors/multiplier_error.proto";
+import "google/ads/googleads/v0/errors/mutate_error.proto";
+import "google/ads/googleads/v0/errors/new_resource_creation_error.proto";
+import "google/ads/googleads/v0/errors/not_empty_error.proto";
+import "google/ads/googleads/v0/errors/null_error.proto";
+import "google/ads/googleads/v0/errors/operation_access_denied_error.proto";
+import "google/ads/googleads/v0/errors/operator_error.proto";
+import "google/ads/googleads/v0/errors/policy_finding_error.proto";
+import "google/ads/googleads/v0/errors/query_error.proto";
+import "google/ads/googleads/v0/errors/quota_error.proto";
+import "google/ads/googleads/v0/errors/range_error.proto";
+import "google/ads/googleads/v0/errors/recommendation_error.proto";
+import "google/ads/googleads/v0/errors/region_code_error.proto";
+import "google/ads/googleads/v0/errors/request_error.proto";
+import "google/ads/googleads/v0/errors/resource_access_denied_error.proto";
+import "google/ads/googleads/v0/errors/resource_count_limit_exceeded_error.proto";
+import "google/ads/googleads/v0/errors/setting_error.proto";
+import "google/ads/googleads/v0/errors/shared_criterion_error.proto";
+import "google/ads/googleads/v0/errors/shared_set_error.proto";
+import "google/ads/googleads/v0/errors/string_format_error.proto";
+import "google/ads/googleads/v0/errors/string_length_error.proto";
+import "google/ads/googleads/v0/errors/url_field_error.proto";
+import "google/ads/googleads/v0/errors/user_list_error.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ErrorsProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing the common error protos
+
+// Describes how a GoogleAds API call failed. It's returned inside
+// google.rpc.Status.details when a call fails.
+message GoogleAdsFailure {
+  // The list of errors that occurred.
+  repeated GoogleAdsError errors = 1;
+}
+
+// GoogleAds-specific error.
+message GoogleAdsError {
+  // An enum value that indicates which error occurred.
+  ErrorCode error_code = 1;
+
+  // A human-readable description of the error.
+  string message = 2;
+
+  // The value that triggered the error.
+  google.ads.googleads.v0.common.Value trigger = 3;
+
+  // Describes the part of the request proto that caused the error.
+  ErrorLocation location = 4;
+
+  // Additional error details, which are returned by certain error codes. Most
+  // error codes do not include details.
+  ErrorDetails details = 5;
+}
+
+// The error reason represented by type and enum.
+message ErrorCode {
+  // The list of error enums
+  oneof error_code {
+    // An error caused by the request
+    RequestErrorEnum.RequestError request_error = 1;
+
+    // An error with a Bidding Strategy mutate.
+    BiddingStrategyErrorEnum.BiddingStrategyError bidding_strategy_error = 2;
+
+    // An error with a URL field mutate.
+    UrlFieldErrorEnum.UrlFieldError url_field_error = 3;
+
+    // An error with a list operation.
+    ListOperationErrorEnum.ListOperationError list_operation_error = 4;
+
+    // An error with an AWQL query
+    QueryErrorEnum.QueryError query_error = 5;
+
+    // An error with a mutate
+    MutateErrorEnum.MutateError mutate_error = 7;
+
+    // An error with a field mask
+    FieldMaskErrorEnum.FieldMaskError field_mask_error = 8;
+
+    // An error encountered when trying to authorize a user.
+    AuthorizationErrorEnum.AuthorizationError authorization_error = 9;
+
+    // An unexpected server-side error.
+    InternalErrorEnum.InternalError internal_error = 10;
+
+    // An error with the amonut of quota remaining.
+    QuotaErrorEnum.QuotaError quota_error = 11;
+
+    // An error with an Ad Group Ad mutate.
+    AdErrorEnum.AdError ad_error = 12;
+
+    // An error with an Ad Group mutate.
+    AdGroupErrorEnum.AdGroupError ad_group_error = 13;
+
+    // An error with a Campaign Budget mutate.
+    CampaignBudgetErrorEnum.CampaignBudgetError campaign_budget_error = 14;
+
+    // An error with a Campaign mutate.
+    CampaignErrorEnum.CampaignError campaign_error = 15;
+
+    // Indicates failure to properly authenticate user.
+    AuthenticationErrorEnum.AuthenticationError authentication_error = 17;
+
+    // Indicates failure to properly authenticate user.
+    AdGroupCriterionErrorEnum.AdGroupCriterionError ad_group_criterion_error = 18;
+
+    // The reasons for the ad customizer error
+    AdCustomizerErrorEnum.AdCustomizerError ad_customizer_error = 19;
+
+    // The reasons for the ad group ad error
+    AdGroupAdErrorEnum.AdGroupAdError ad_group_ad_error = 21;
+
+    // The reasons for the ad sharing error
+    AdSharingErrorEnum.AdSharingError ad_sharing_error = 24;
+
+    // The reasons for the adx error
+    AdxErrorEnum.AdxError adx_error = 25;
+
+    // The reasons for the bidding errors
+    BiddingErrorEnum.BiddingError bidding_error = 26;
+
+    // The reasons for the campaign criterion error
+    CampaignCriterionErrorEnum.CampaignCriterionError campaign_criterion_error = 29;
+
+    // The reasons for the collection size error
+    CollectionSizeErrorEnum.CollectionSizeError collection_size_error = 31;
+
+    // The reasons for the criterion error
+    CriterionErrorEnum.CriterionError criterion_error = 32;
+
+    // The reasons for the customer error
+    CustomerErrorEnum.CustomerError customer_error = 90;
+
+    // The reasons for the date error
+    DateErrorEnum.DateError date_error = 33;
+
+    // The reasons for the date range error
+    DateRangeErrorEnum.DateRangeError date_range_error = 34;
+
+    // The reasons for the distinct error
+    DistinctErrorEnum.DistinctError distinct_error = 35;
+
+    // The reasons for the feed attribute reference error
+    FeedAttributeReferenceErrorEnum.FeedAttributeReferenceError feed_attribute_reference_error = 36;
+
+    // The reasons for the function error
+    FunctionErrorEnum.FunctionError function_error = 37;
+
+    // The reasons for the function parsing error
+    FunctionParsingErrorEnum.FunctionParsingError function_parsing_error = 38;
+
+    // The reasons for the id error
+    IdErrorEnum.IdError id_error = 39;
+
+    // The reasons for the image error
+    ImageErrorEnum.ImageError image_error = 40;
+
+    // The reasons for the media bundle error
+    MediaBundleErrorEnum.MediaBundleError media_bundle_error = 42;
+
+    // The reasons for the media file error
+    MediaFileErrorEnum.MediaFileError media_file_error = 86;
+
+    // The reasons for the multiplier error
+    MultiplierErrorEnum.MultiplierError multiplier_error = 44;
+
+    // The reasons for the new resource creation error
+    NewResourceCreationErrorEnum.NewResourceCreationError new_resource_creation_error = 45;
+
+    // The reasons for the not empty error
+    NotEmptyErrorEnum.NotEmptyError not_empty_error = 46;
+
+    // The reasons for the null error
+    NullErrorEnum.NullError null_error = 47;
+
+    // The reasons for the operator error
+    OperatorErrorEnum.OperatorError operator_error = 48;
+
+    // The reasons for the range error
+    RangeErrorEnum.RangeError range_error = 49;
+
+    // The reasons for error in applying a recommendation
+    RecommendationErrorEnum.RecommendationError recommendation_error = 58;
+
+    // The reasons for the region code error
+    RegionCodeErrorEnum.RegionCodeError region_code_error = 51;
+
+    // The reasons for the setting error
+    SettingErrorEnum.SettingError setting_error = 52;
+
+    // The reasons for the string format error
+    StringFormatErrorEnum.StringFormatError string_format_error = 53;
+
+    // The reasons for the string length error
+    StringLengthErrorEnum.StringLengthError string_length_error = 54;
+
+    // The reasons for the operation access denied error
+    OperationAccessDeniedErrorEnum.OperationAccessDeniedError operation_access_denied_error = 55;
+
+    // The reasons for the resource access denied error
+    ResourceAccessDeniedErrorEnum.ResourceAccessDeniedError resource_access_denied_error = 56;
+
+    // The reasons for the resource count limit exceeded error
+    ResourceCountLimitExceededErrorEnum.ResourceCountLimitExceededError resource_count_limit_exceeded_error = 57;
+
+    // The reasons for the ad group bid modifier error
+    AdGroupBidModifierErrorEnum.AdGroupBidModifierError ad_group_bid_modifier_error = 59;
+
+    // The reasons for the context error
+    ContextErrorEnum.ContextError context_error = 60;
+
+    // The reasons for the field error
+    FieldErrorEnum.FieldError field_error = 61;
+
+    // The reasons for the shared set error
+    SharedSetErrorEnum.SharedSetError shared_set_error = 62;
+
+    // The reasons for the shared criterion error
+    SharedCriterionErrorEnum.SharedCriterionError shared_criterion_error = 63;
+
+    // The reasons for the campaign shared set error
+    CampaignSharedSetErrorEnum.CampaignSharedSetError campaign_shared_set_error = 64;
+
+    // The reasons for the conversion action error
+    ConversionActionErrorEnum.ConversionActionError conversion_action_error = 65;
+
+    // The reasons for the header error.
+    HeaderErrorEnum.HeaderError header_error = 66;
+
+    // The reasons for the database error.
+    DatabaseErrorEnum.DatabaseError database_error = 67;
+
+    // The reasons for the policy finding error.
+    PolicyFindingErrorEnum.PolicyFindingError policy_finding_error = 68;
+
+    // The reasons for campaign group error.
+    CampaignGroupErrorEnum.CampaignGroupError campaign_group_error = 69;
+
+    // The reason for enum error.
+    EnumErrorEnum.EnumError enum_error = 70;
+
+    // The reason for keyword plan error.
+    KeywordPlanErrorEnum.KeywordPlanError keyword_plan_error = 71;
+
+    // The reason for keyword plan campaign error.
+    KeywordPlanCampaignErrorEnum.KeywordPlanCampaignError keyword_plan_campaign_error = 72;
+
+    // The reason for keyword plan negative keyword error.
+    KeywordPlanNegativeKeywordErrorEnum.KeywordPlanNegativeKeywordError keyword_plan_negative_keyword_error = 73;
+
+    // The reason for keyword plan ad group error.
+    KeywordPlanAdGroupErrorEnum.KeywordPlanAdGroupError keyword_plan_ad_group_error = 74;
+
+    // The reason for keyword plan keyword error.
+    KeywordPlanKeywordErrorEnum.KeywordPlanKeywordError keyword_plan_keyword_error = 75;
+
+    // The reason for keyword idea error.
+    KeywordPlanIdeaErrorEnum.KeywordPlanIdeaError keyword_plan_idea_error = 76;
+
+    // The reasons for account budget proposal errors.
+    AccountBudgetProposalErrorEnum.AccountBudgetProposalError account_budget_proposal_error = 77;
+
+    // The reasons for the user list error
+    UserListErrorEnum.UserListError user_list_error = 78;
+
+    // The reasons for the change status error
+    ChangeStatusErrorEnum.ChangeStatusError change_status_error = 79;
+
+    // The reasons for the feed error
+    FeedErrorEnum.FeedError feed_error = 80;
+
+    // The reasons for the geo target constant suggestion error.
+    GeoTargetConstantSuggestionErrorEnum.GeoTargetConstantSuggestionError geo_target_constant_suggestion_error = 81;
+
+    // The reasons for the feed item error
+    FeedItemErrorEnum.FeedItemError feed_item_error = 83;
+
+    // The reasons for the billing setup error
+    BillingSetupErrorEnum.BillingSetupError billing_setup_error = 87;
+
+    // The reasons for the customer client link error
+    CustomerClientLinkErrorEnum.CustomerClientLinkError customer_client_link_error = 88;
+
+    // The reasons for the customer manager link error
+    CustomerManagerLinkErrorEnum.CustomerManagerLinkError customer_manager_link_error = 91;
+
+    // The reasons for the feed mapping error
+    FeedMappingErrorEnum.FeedMappingError feed_mapping_error = 92;
+
+    // The reasons for the customer feed error
+    CustomerFeedErrorEnum.CustomerFeedError customer_feed_error = 93;
+
+    // The reasons for the ad group feed error
+    AdGroupFeedErrorEnum.AdGroupFeedError ad_group_feed_error = 94;
+
+    // The reasons for the campaign feed error
+    CampaignFeedErrorEnum.CampaignFeedError campaign_feed_error = 96;
+  }
+}
+
+// Describes the part of the request proto that caused the error.
+message ErrorLocation {
+  // A part of a field path.
+  message FieldPathElement {
+    // The name of a field or a oneof
+    string field_name = 1;
+
+    // If field_name is a repeated field, this is the element that failed
+    google.protobuf.Int64Value index = 2;
+  }
+
+  // The mutate operation that failed
+  google.protobuf.Int64Value operation_index = 1;
+
+  // A field path that indicates which field was invalid in the request.
+  repeated FieldPathElement field_path_elements = 2;
+}
+
+// Additional error details.
+message ErrorDetails {
+  // The error code that should have been returned, but wasn't. This is used
+  // when the error code is InternalError.ERROR_CODE_NOT_PUBLISHED.
+  string unpublished_error_code = 1;
+
+  // Describes an ad policy violation.
+  PolicyViolationDetails policy_violation_details = 2;
+
+  // Describes policy violation findings.
+  PolicyFindingDetails policy_finding_details = 3;
+}
+
+// Error returned as part of a mutate response.
+// This error indicates single policy violation by some text
+// in one of the fields.
+message PolicyViolationDetails {
+  // Human readable description of policy violation.
+  string external_policy_description = 2;
+
+  // Unique identifier for this violation.
+  // If policy is exemptible, this key may be used to request exemption.
+  google.ads.googleads.v0.common.PolicyViolationKey key = 4;
+
+  // Human readable name of the policy.
+  string external_policy_name = 5;
+
+  // Whether user can file an exemption request for this violation.
+  bool is_exemptible = 6;
+}
+
+// Error returned as part of a mutate response.
+// This error indicates one or more policy findings in the fields of a
+// resource.
+message PolicyFindingDetails {
+  // The list of policy topics for the resource. Contains the PROHIBITED or
+  // FULLY_LIMITED policy topic entries that prevented the resource from being
+  // saved (among any other entries the resource may also have).
+  repeated google.ads.googleads.v0.common.PolicyTopicEntry policy_topic_entries = 1;
+}
diff --git a/google/ads/googleads/v0/errors/feed_attribute_reference_error.proto b/google/ads/googleads/v0/errors/feed_attribute_reference_error.proto
new file mode 100644
index 000000000..8e22fdd0f
--- /dev/null
+++ b/google/ads/googleads/v0/errors/feed_attribute_reference_error.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FeedAttributeReferenceErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing feed attribute reference errors.
+
+// Container for enum describing possible feed attribute reference errors.
+message FeedAttributeReferenceErrorEnum {
+  // Enum describing possible feed attribute reference errors.
+  enum FeedAttributeReferenceError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // A feed referenced by ID has been deleted.
+    CANNOT_REFERENCE_DELETED_FEED = 2;
+
+    // There is no active feed with the given name.
+    INVALID_FEED_NAME = 3;
+
+    // There is no feed attribute in an active feed with the given name.
+    INVALID_FEED_ATTRIBUTE_NAME = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/feed_error.proto b/google/ads/googleads/v0/errors/feed_error.proto
new file mode 100644
index 000000000..3c1e44be7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/feed_error.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FeedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing feed errors.
+
+// Container for enum describing possible feed errors.
+message FeedErrorEnum {
+  // Enum describing possible feed errors.
+  enum FeedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The names of the FeedAttributes must be unique.
+    ATTRIBUTE_NAMES_NOT_UNIQUE = 2;
+
+    // The attribute list must be an exact copy of the existing list if the
+    // attribute ID's are present.
+    ATTRIBUTES_DO_NOT_MATCH_EXISTING_ATTRIBUTES = 3;
+
+    // Cannot specify USER origin for a system generated feed.
+    CANNOT_SPECIFY_USER_ORIGIN_FOR_SYSTEM_FEED = 4;
+
+    // Cannot specify GOOGLE origin for a non-system generated feed.
+    CANNOT_SPECIFY_GOOGLE_ORIGIN_FOR_NON_SYSTEM_FEED = 5;
+
+    // Cannot specify feed attributes for system feed.
+    CANNOT_SPECIFY_FEED_ATTRIBUTES_FOR_SYSTEM_FEED = 6;
+
+    // Cannot update FeedAttributes on feed with origin GOOGLE.
+    CANNOT_UPDATE_FEED_ATTRIBUTES_WITH_ORIGIN_GOOGLE = 7;
+
+    // The given ID refers to a removed Feed. Removed Feeds are immutable.
+    FEED_REMOVED = 8;
+
+    // The origin of the feed is not valid for the client.
+    INVALID_ORIGIN_VALUE = 9;
+
+    // A user can only create and modify feeds with USER origin.
+    FEED_ORIGIN_IS_NOT_USER = 10;
+
+    // Invalid auth token for the given email.
+    INVALID_AUTH_TOKEN_FOR_EMAIL = 11;
+
+    // Invalid email specified.
+    INVALID_EMAIL = 12;
+
+    // Feed name matches that of another active Feed.
+    DUPLICATE_FEED_NAME = 13;
+
+    // Name of feed is not allowed.
+    INVALID_FEED_NAME = 14;
+
+    // Missing OAuthInfo.
+    MISSING_OAUTH_INFO = 15;
+
+    // New FeedAttributes must not affect the unique key.
+    NEW_ATTRIBUTE_CANNOT_BE_PART_OF_UNIQUE_KEY = 16;
+
+    // Too many FeedAttributes for a Feed.
+    TOO_MANY_ATTRIBUTES = 17;
+
+    // The business account is not valid.
+    INVALID_BUSINESS_ACCOUNT = 18;
+
+    // Business account cannot access Google My Business account.
+    BUSINESS_ACCOUNT_CANNOT_ACCESS_LOCATION_ACCOUNT = 19;
+
+    // Invalid chain ID provided for affiliate location feed.
+    INVALID_AFFILIATE_CHAIN_ID = 20;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/feed_item_error.proto b/google/ads/googleads/v0/errors/feed_item_error.proto
new file mode 100644
index 000000000..35454cff2
--- /dev/null
+++ b/google/ads/googleads/v0/errors/feed_item_error.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FeedItemErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing feed item errors.
+
+// Container for enum describing possible feed item errors.
+message FeedItemErrorEnum {
+  // Enum describing possible feed item errors.
+  enum FeedItemError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Cannot convert the feed attribute value from string to its real type.
+    CANNOT_CONVERT_ATTRIBUTE_VALUE_FROM_STRING = 2;
+
+    // Cannot operate on removed feed item.
+    CANNOT_OPERATE_ON_REMOVED_FEED_ITEM = 3;
+
+    // Date time zone does not match the account's time zone.
+    DATE_TIME_MUST_BE_IN_ACCOUNT_TIME_ZONE = 4;
+
+    // Feed item with the key attributes could not be found.
+    KEY_ATTRIBUTES_NOT_FOUND = 5;
+
+    // Url feed attribute value is not valid.
+    INVALID_URL = 6;
+
+    // Some key attributes are missing.
+    MISSING_KEY_ATTRIBUTES = 7;
+
+    // Feed item has same key attributes as another feed item.
+    KEY_ATTRIBUTES_NOT_UNIQUE = 8;
+
+    // Cannot modify key attributes on an existing feed item.
+    CANNOT_MODIFY_KEY_ATTRIBUTE_VALUE = 9;
+
+    // The feed attribute value is too large.
+    SIZE_TOO_LARGE_FOR_MULTI_VALUE_ATTRIBUTE = 10;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/feed_mapping_error.proto b/google/ads/googleads/v0/errors/feed_mapping_error.proto
new file mode 100644
index 000000000..d6b23402e
--- /dev/null
+++ b/google/ads/googleads/v0/errors/feed_mapping_error.proto
@@ -0,0 +1,94 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FeedMappingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing feed item errors.
+
+// Container for enum describing possible feed item errors.
+message FeedMappingErrorEnum {
+  // Enum describing possible feed item errors.
+  enum FeedMappingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The given placeholder field does not exist.
+    INVALID_PLACEHOLDER_FIELD = 2;
+
+    // The given criterion field does not exist.
+    INVALID_CRITERION_FIELD = 3;
+
+    // The given placeholder type does not exist.
+    INVALID_PLACEHOLDER_TYPE = 4;
+
+    // The given criterion type does not exist.
+    INVALID_CRITERION_TYPE = 5;
+
+    // A feed mapping must contain at least one attribute field mapping.
+    NO_ATTRIBUTE_FIELD_MAPPINGS = 7;
+
+    // The type of the feed attribute referenced in the attribute field mapping
+    // must match the type of the placeholder field.
+    FEED_ATTRIBUTE_TYPE_MISMATCH = 8;
+
+    // A feed mapping for a system generated feed cannot be operated on.
+    CANNOT_OPERATE_ON_MAPPINGS_FOR_SYSTEM_GENERATED_FEED = 9;
+
+    // Only one feed mapping for a placeholder type is allowed per feed or
+    // customer (depending on the placeholder type).
+    MULTIPLE_MAPPINGS_FOR_PLACEHOLDER_TYPE = 10;
+
+    // Only one feed mapping for a criterion type is allowed per customer.
+    MULTIPLE_MAPPINGS_FOR_CRITERION_TYPE = 11;
+
+    // Only one feed attribute mapping for a placeholder field is allowed
+    // (depending on the placeholder type).
+    MULTIPLE_MAPPINGS_FOR_PLACEHOLDER_FIELD = 12;
+
+    // Only one feed attribute mapping for a criterion field is allowed
+    // (depending on the criterion type).
+    MULTIPLE_MAPPINGS_FOR_CRITERION_FIELD = 13;
+
+    // This feed mapping may not contain any explicit attribute field mappings.
+    UNEXPECTED_ATTRIBUTE_FIELD_MAPPINGS = 14;
+
+    // Location placeholder feed mappings can only be created for Places feeds.
+    LOCATION_PLACEHOLDER_ONLY_FOR_PLACES_FEEDS = 15;
+
+    // Mappings for typed feeds cannot be modified.
+    CANNOT_MODIFY_MAPPINGS_FOR_TYPED_FEED = 16;
+
+    // The given placeholder type can only be mapped to system generated feeds.
+    INVALID_PLACEHOLDER_TYPE_FOR_NON_SYSTEM_GENERATED_FEED = 17;
+
+    // The given placeholder type cannot be mapped to a system generated feed
+    // with the given type.
+    INVALID_PLACEHOLDER_TYPE_FOR_SYSTEM_GENERATED_FEED_TYPE = 18;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/field_error.proto b/google/ads/googleads/v0/errors/field_error.proto
new file mode 100644
index 000000000..6db7dd1c7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/field_error.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FieldErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing field errors.
+
+// Container for enum describing possible field errors.
+message FieldErrorEnum {
+  // Enum describing possible field errors.
+  enum FieldError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The required field was not present in the resource.
+    REQUIRED = 2;
+
+    // The field attempted to be mutated is immutable.
+    IMMUTABLE_FIELD = 3;
+
+    // The field's value is invalid.
+    INVALID_VALUE = 4;
+
+    // The field cannot be set.
+    VALUE_MUST_BE_UNSET = 5;
+
+    // The required repeated field was empty.
+    REQUIRED_NONEMPTY_LIST = 6;
+
+    // The field cannot be cleared.
+    FIELD_CANNOT_BE_CLEARED = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/field_mask_error.proto b/google/ads/googleads/v0/errors/field_mask_error.proto
new file mode 100644
index 000000000..aff1abe07
--- /dev/null
+++ b/google/ads/googleads/v0/errors/field_mask_error.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FieldMaskErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing field mask errors.
+
+// Container for enum describing possible field mask errors.
+message FieldMaskErrorEnum {
+  // Enum describing possible field mask errors.
+  enum FieldMaskError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The field mask must be provided for update operations.
+    FIELD_MASK_MISSING = 5;
+
+    // The field mask must be empty for create and remove operations.
+    FIELD_MASK_NOT_ALLOWED = 4;
+
+    // The field mask contained an invalid field.
+    FIELD_NOT_FOUND = 2;
+
+    // The field mask updated a field with subfields. Fields with subfields may
+    // be cleared, but not updated. To fix this, the field mask should select
+    // all the subfields of the invalid field.
+    FIELD_HAS_SUBFIELDS = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/function_error.proto b/google/ads/googleads/v0/errors/function_error.proto
new file mode 100644
index 000000000..b6bc16df7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/function_error.proto
@@ -0,0 +1,90 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FunctionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing function errors.
+
+// Container for enum describing possible function errors.
+message FunctionErrorEnum {
+  // Enum describing possible function errors.
+  enum FunctionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The format of the function is not recognized as a supported function
+    // format.
+    INVALID_FUNCTION_FORMAT = 2;
+
+    // Operand data types do not match.
+    DATA_TYPE_MISMATCH = 3;
+
+    // The operands cannot be used together in a conjunction.
+    INVALID_CONJUNCTION_OPERANDS = 4;
+
+    // Invalid numer of Operands.
+    INVALID_NUMBER_OF_OPERANDS = 5;
+
+    // Operand Type not supported.
+    INVALID_OPERAND_TYPE = 6;
+
+    // Operator not supported.
+    INVALID_OPERATOR = 7;
+
+    // Request context type not supported.
+    INVALID_REQUEST_CONTEXT_TYPE = 8;
+
+    // The matching function is not allowed for call placeholders
+    INVALID_FUNCTION_FOR_CALL_PLACEHOLDER = 9;
+
+    // The matching function is not allowed for the specified placeholder
+    INVALID_FUNCTION_FOR_PLACEHOLDER = 10;
+
+    // Invalid operand.
+    INVALID_OPERAND = 11;
+
+    // Missing value for the constant operand.
+    MISSING_CONSTANT_OPERAND_VALUE = 12;
+
+    // The value of the constant operand is invalid.
+    INVALID_CONSTANT_OPERAND_VALUE = 13;
+
+    // Invalid function nesting.
+    INVALID_NESTING = 14;
+
+    // The Feed ID was different from another Feed ID in the same function.
+    MULTIPLE_FEED_IDS_NOT_SUPPORTED = 15;
+
+    // The matching function is invalid for use with a feed with a fixed schema.
+    INVALID_FUNCTION_FOR_FEED_WITH_FIXED_SCHEMA = 16;
+
+    // Invalid attribute name.
+    INVALID_ATTRIBUTE_NAME = 17;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/function_parsing_error.proto b/google/ads/googleads/v0/errors/function_parsing_error.proto
new file mode 100644
index 000000000..bac9b3c69
--- /dev/null
+++ b/google/ads/googleads/v0/errors/function_parsing_error.proto
@@ -0,0 +1,74 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "FunctionParsingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing function parsing errors.
+
+// Container for enum describing possible function parsing errors.
+message FunctionParsingErrorEnum {
+  // Enum describing possible function parsing errors.
+  enum FunctionParsingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Unexpected end of function string.
+    NO_MORE_INPUT = 2;
+
+    // Could not find an expected character.
+    EXPECTED_CHARACTER = 3;
+
+    // Unexpected separator character.
+    UNEXPECTED_SEPARATOR = 4;
+
+    // Unmatched left bracket or parenthesis.
+    UNMATCHED_LEFT_BRACKET = 5;
+
+    // Unmatched right bracket or parenthesis.
+    UNMATCHED_RIGHT_BRACKET = 6;
+
+    // Functions are nested too deeply.
+    TOO_MANY_NESTED_FUNCTIONS = 7;
+
+    // Missing right-hand-side operand.
+    MISSING_RIGHT_HAND_OPERAND = 8;
+
+    // Invalid operator/function name.
+    INVALID_OPERATOR_NAME = 9;
+
+    // Feed attribute operand's argument is not an integer.
+    FEED_ATTRIBUTE_OPERAND_ARGUMENT_NOT_INTEGER = 10;
+
+    // Missing function operands.
+    NO_OPERANDS = 11;
+
+    // Function had too many operands.
+    TOO_MANY_OPERANDS = 12;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/geo_target_constant_suggestion_error.proto b/google/ads/googleads/v0/errors/geo_target_constant_suggestion_error.proto
new file mode 100644
index 000000000..ab97c3660
--- /dev/null
+++ b/google/ads/googleads/v0/errors/geo_target_constant_suggestion_error.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "GeoTargetConstantSuggestionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+
+
+// Container for enum describing possible geo target constant suggestion errors.
+message GeoTargetConstantSuggestionErrorEnum {
+  // Enum describing possible geo target constant suggestion errors.
+  enum GeoTargetConstantSuggestionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // A location name cannot be greater than 300 characters.
+    LOCATION_NAME_SIZE_LIMIT = 2;
+
+    // At most 25 location names can be specified in a SuggestGeoTargetConstants
+    // method.
+    LOCATION_NAME_LIMIT = 3;
+
+    // The country code is invalid.
+    INVALID_COUNTRY_CODE = 4;
+
+    // Geo target constant resource names or location names must be provided in
+    // the request.
+    REQUEST_PARAMETERS_UNSET = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/header_error.proto b/google/ads/googleads/v0/errors/header_error.proto
new file mode 100644
index 000000000..c3129b7c5
--- /dev/null
+++ b/google/ads/googleads/v0/errors/header_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "HeaderErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing header errors.
+
+// Container for enum describing possible header errors.
+message HeaderErrorEnum {
+  // Enum describing possible header errors.
+  enum HeaderError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The login customer id could not be validated.
+    INVALID_LOGIN_CUSTOMER_ID = 3;
+
+    // One or more task headers could not be parsed.
+    MALFORMED_TASK_INFO = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/id_error.proto b/google/ads/googleads/v0/errors/id_error.proto
new file mode 100644
index 000000000..ca7829ab8
--- /dev/null
+++ b/google/ads/googleads/v0/errors/id_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "IdErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing id errors.
+
+// Container for enum describing possible id errors.
+message IdErrorEnum {
+  // Enum describing possible id errors.
+  enum IdError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Id not found
+    NOT_FOUND = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/image_error.proto b/google/ads/googleads/v0/errors/image_error.proto
new file mode 100644
index 000000000..d0098e694
--- /dev/null
+++ b/google/ads/googleads/v0/errors/image_error.proto
@@ -0,0 +1,153 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ImageErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing image errors.
+
+// Container for enum describing possible image errors.
+message ImageErrorEnum {
+  // Enum describing possible image errors.
+  enum ImageError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The image is not valid.
+    INVALID_IMAGE = 2;
+
+    // The image could not be stored.
+    STORAGE_ERROR = 3;
+
+    // There was a problem with the request.
+    BAD_REQUEST = 4;
+
+    // The image is not of legal dimensions.
+    UNEXPECTED_SIZE = 5;
+
+    // Animated image are not permitted.
+    ANIMATED_NOT_ALLOWED = 6;
+
+    // Animation is too long.
+    ANIMATION_TOO_LONG = 7;
+
+    // There was an error on the server.
+    SERVER_ERROR = 8;
+
+    // Image cannot be in CMYK color format.
+    CMYK_JPEG_NOT_ALLOWED = 9;
+
+    // Flash images are not permitted.
+    FLASH_NOT_ALLOWED = 10;
+
+    // Flash images must support clickTag.
+    FLASH_WITHOUT_CLICKTAG = 11;
+
+    // A flash error has occurred after fixing the click tag.
+    FLASH_ERROR_AFTER_FIXING_CLICK_TAG = 12;
+
+    // Unacceptable visual effects.
+    ANIMATED_VISUAL_EFFECT = 13;
+
+    // There was a problem with the flash image.
+    FLASH_ERROR = 14;
+
+    // Incorrect image layout.
+    LAYOUT_PROBLEM = 15;
+
+    // There was a problem reading the image file.
+    PROBLEM_READING_IMAGE_FILE = 16;
+
+    // There was an error storing the image.
+    ERROR_STORING_IMAGE = 17;
+
+    // The aspect ratio of the image is not allowed.
+    ASPECT_RATIO_NOT_ALLOWED = 18;
+
+    // Flash cannot have network objects.
+    FLASH_HAS_NETWORK_OBJECTS = 19;
+
+    // Flash cannot have network methods.
+    FLASH_HAS_NETWORK_METHODS = 20;
+
+    // Flash cannot have a Url.
+    FLASH_HAS_URL = 21;
+
+    // Flash cannot use mouse tracking.
+    FLASH_HAS_MOUSE_TRACKING = 22;
+
+    // Flash cannot have a random number.
+    FLASH_HAS_RANDOM_NUM = 23;
+
+    // Ad click target cannot be '_self'.
+    FLASH_SELF_TARGETS = 24;
+
+    // GetUrl method should only use '_blank'.
+    FLASH_BAD_GETURL_TARGET = 25;
+
+    // Flash version is not supported.
+    FLASH_VERSION_NOT_SUPPORTED = 26;
+
+    // Flash movies need to have hard coded click URL or clickTAG
+    FLASH_WITHOUT_HARD_CODED_CLICK_URL = 27;
+
+    // Uploaded flash file is corrupted.
+    INVALID_FLASH_FILE = 28;
+
+    // Uploaded flash file can be parsed, but the click tag can not be fixed
+    // properly.
+    FAILED_TO_FIX_CLICK_TAG_IN_FLASH = 29;
+
+    // Flash movie accesses network resources
+    FLASH_ACCESSES_NETWORK_RESOURCES = 30;
+
+    // Flash movie attempts to call external javascript code
+    FLASH_EXTERNAL_JS_CALL = 31;
+
+    // Flash movie attempts to call flash system commands
+    FLASH_EXTERNAL_FS_CALL = 32;
+
+    // Image file is too large.
+    FILE_TOO_LARGE = 33;
+
+    // Image data is too large.
+    IMAGE_DATA_TOO_LARGE = 34;
+
+    // Error while processing the image.
+    IMAGE_PROCESSING_ERROR = 35;
+
+    // Image is too small.
+    IMAGE_TOO_SMALL = 36;
+
+    // Input was invalid.
+    INVALID_INPUT = 37;
+
+    // There was a problem reading the image file.
+    PROBLEM_READING_FILE = 38;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/internal_error.proto b/google/ads/googleads/v0/errors/internal_error.proto
new file mode 100644
index 000000000..56b89f4fb
--- /dev/null
+++ b/google/ads/googleads/v0/errors/internal_error.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "InternalErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing internal errors.
+
+// Container for enum describing possible internal errors.
+message InternalErrorEnum {
+  // Enum describing possible internal errors.
+  enum InternalError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Google Ads API encountered unexpected internal error.
+    INTERNAL_ERROR = 2;
+
+    // The intended error code doesn't exist in any API version. This will be
+    // fixed by adding a new error code as soon as possible.
+    ERROR_CODE_NOT_PUBLISHED = 3;
+
+    // Google Ads API encountered an unexpected transient error. The user
+    // should retry their request in these cases.
+    TRANSIENT_ERROR = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_ad_group_error.proto b/google/ads/googleads/v0/errors/keyword_plan_ad_group_error.proto
new file mode 100644
index 000000000..6b2087980
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_ad_group_error.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanAdGroupErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying a keyword plan ad group.
+
+// Container for enum describing possible errors from applying a keyword plan
+// ad group.
+message KeywordPlanAdGroupErrorEnum {
+  // Enum describing possible errors from applying a keyword plan ad group.
+  enum KeywordPlanAdGroupError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The keyword plan ad group name is missing, empty, longer than allowed
+    // limit or contains invalid chars.
+    INVALID_NAME = 2;
+
+    // The keyword plan ad group name is duplicate to an existing keyword plan
+    // AdGroup name or other keyword plan AdGroup name in the request.
+    DUPLICATE_NAME = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_campaign_error.proto b/google/ads/googleads/v0/errors/keyword_plan_campaign_error.proto
new file mode 100644
index 000000000..89f6ad69d
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_campaign_error.proto
@@ -0,0 +1,59 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanCampaignErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying a keyword plan campaign.
+
+// Container for enum describing possible errors from applying a keyword plan
+// campaign.
+message KeywordPlanCampaignErrorEnum {
+  // Enum describing possible errors from applying a keyword plan campaign.
+  enum KeywordPlanCampaignError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // A keyword plan campaign name is missing, empty, longer than allowed limit
+    // or contains invalid chars.
+    INVALID_NAME = 2;
+
+    // A keyword plan campaign contains one or more untargetable languages.
+    INVALID_LANGUAGES = 3;
+
+    // A keyword plan campaign contains one or more invalid geo targets.
+    INVALID_GEOS = 4;
+
+    // The keyword plan campaign name is duplicate to an existing keyword plan
+    // campaign name or other keyword plan campaign name in the request.
+    DUPLICATE_NAME = 5;
+
+    // The number of geo targets in the keyword plan campaign exceeds limits.
+    MAX_GEOS_EXCEEDED = 6;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_error.proto b/google/ads/googleads/v0/errors/keyword_plan_error.proto
new file mode 100644
index 000000000..c950ee504
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_error.proto
@@ -0,0 +1,88 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying keyword plan resources (keyword
+// plan, keyword plan campaign, keyword plan ad group or keyword plan keyword)
+// or KeywordPlanService RPC.
+
+// Container for enum describing possible errors from applying a keyword plan
+// resource (keyword plan, keyword plan campaign, keyword plan ad group or
+// keyword plan keyword) or KeywordPlanService RPC.
+message KeywordPlanErrorEnum {
+  // Enum describing possible errors from applying a keyword plan.
+  enum KeywordPlanError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The plan's bid multiplier value is outside the valid range.
+    BID_MULTIPLIER_OUT_OF_RANGE = 2;
+
+    // The plan's bid value is too high.
+    BID_TOO_HIGH = 3;
+
+    // The plan's bid value is too low.
+    BID_TOO_LOW = 4;
+
+    // The plan's cpc bid is not a multiple of the minimum billable unit.
+    BID_TOO_MANY_FRACTIONAL_DIGITS = 5;
+
+    // The plan's daily budget value is too low.
+    DAILY_BUDGET_TOO_LOW = 6;
+
+    // The plan's daily budget is not a multiple of the minimum billable unit.
+    DAILY_BUDGET_TOO_MANY_FRACTIONAL_DIGITS = 7;
+
+    // The input has an invalid value.
+    INVALID_VALUE = 8;
+
+    // The plan has no keyword.
+    KEYWORD_PLAN_HAS_NO_KEYWORDS = 9;
+
+    // The plan is not enabled and API cannot provide mutation, forecast or
+    // stats.
+    KEYWORD_PLAN_NOT_ENABLED = 10;
+
+    // The requested plan cannot be found for providing forecast or stats.
+    KEYWORD_PLAN_NOT_FOUND = 11;
+
+    // The plan is missing a cpc bid.
+    MISSING_BID = 13;
+
+    // The plan is missing required forecast_period field.
+    MISSING_FORECAST_PERIOD = 14;
+
+    // The plan's forecast_period has invalid forecast date range.
+    INVALID_FORECAST_DATE_RANGE = 15;
+
+    // The plan's name is invalid.
+    INVALID_NAME = 16;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_idea_error.proto b/google/ads/googleads/v0/errors/keyword_plan_idea_error.proto
new file mode 100644
index 000000000..f003a7671
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_idea_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanIdeaErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from KeywordPlanIdeaService.
+
+// Container for enum describing possible errors from KeywordPlanIdeaService.
+message KeywordPlanIdeaErrorEnum {
+  // Enum describing possible errors from KeywordPlanIdeaService.
+  enum KeywordPlanIdeaError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Error when crawling the input URL.
+    URL_CRAWL_ERROR = 2;
+
+    // The input has an invalid value.
+    INVALID_VALUE = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_keyword_error.proto b/google/ads/googleads/v0/errors/keyword_plan_keyword_error.proto
new file mode 100644
index 000000000..995f0043b
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_keyword_error.proto
@@ -0,0 +1,62 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanKeywordErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying a keyword plan keyword or keyword
+// plan negative keyword.
+
+// Container for enum describing possible errors from applying a keyword or a
+// negative keyword from a keyword plan.
+message KeywordPlanKeywordErrorEnum {
+  // Enum describing possible errors from applying a keyword plan keyword.
+  enum KeywordPlanKeywordError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // A keyword or negative keyword has invalid match type.
+    INVALID_KEYWORD_MATCH_TYPE = 2;
+
+    // A keyword or negative keyword with same text and match type already
+    // exists.
+    DUPLICATE_KEYWORD = 3;
+
+    // Keyword or negative keyword text exceeds the allowed limit.
+    KEYWORD_TEXT_TOO_LONG = 4;
+
+    // Keyword or negative keyword text has invalid characters or symbols.
+    KEYWORD_HAS_INVALID_CHARS = 5;
+
+    // Keyword or negative keyword text has too many words.
+    KEYWORD_HAS_TOO_MANY_WORDS = 6;
+
+    // Keyword or negative keyword has invalid text.
+    INVALID_KEYWORD_TEXT = 7;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/keyword_plan_negative_keyword_error.proto b/google/ads/googleads/v0/errors/keyword_plan_negative_keyword_error.proto
new file mode 100644
index 000000000..106883c32
--- /dev/null
+++ b/google/ads/googleads/v0/errors/keyword_plan_negative_keyword_error.proto
@@ -0,0 +1,43 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanNegativeKeywordErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying a keyword plan negative keyword.
+
+// Container for enum describing possible errors from applying a keyword plan
+// negative keyword.
+message KeywordPlanNegativeKeywordErrorEnum {
+  // Enum describing possible errors from applying a keyword plan negative
+  // keyword.
+  enum KeywordPlanNegativeKeywordError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/list_operation_error.proto b/google/ads/googleads/v0/errors/list_operation_error.proto
new file mode 100644
index 000000000..927be5388
--- /dev/null
+++ b/google/ads/googleads/v0/errors/list_operation_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ListOperationErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing list operation errors.
+
+// Container for enum describing possible list operation errors.
+message ListOperationErrorEnum {
+  // Enum describing possible list operation errors.
+  enum ListOperationError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Field required in value is missing.
+    REQUIRED_FIELD_MISSING = 7;
+
+    // Duplicate or identical value is sent in multiple list operations.
+    DUPLICATE_VALUES = 8;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/media_bundle_error.proto b/google/ads/googleads/v0/errors/media_bundle_error.proto
new file mode 100644
index 000000000..da7b1b6d7
--- /dev/null
+++ b/google/ads/googleads/v0/errors/media_bundle_error.proto
@@ -0,0 +1,107 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "MediaBundleErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing media bundle errors.
+
+// Container for enum describing possible media bundle errors.
+message MediaBundleErrorEnum {
+  // Enum describing possible media bundle errors.
+  enum MediaBundleError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // There was a problem with the request.
+    BAD_REQUEST = 3;
+
+    // HTML5 ads using DoubleClick Studio created ZIP files are not supported.
+    DOUBLECLICK_BUNDLE_NOT_ALLOWED = 4;
+
+    // Cannot reference URL external to the media bundle.
+    EXTERNAL_URL_NOT_ALLOWED = 5;
+
+    // Media bundle file is too large.
+    FILE_TOO_LARGE = 6;
+
+    // ZIP file from Google Web Designer is not published.
+    GOOGLE_WEB_DESIGNER_ZIP_FILE_NOT_PUBLISHED = 7;
+
+    // Input was invalid.
+    INVALID_INPUT = 8;
+
+    // There was a problem with the media bundle.
+    INVALID_MEDIA_BUNDLE = 9;
+
+    // There was a problem with one or more of the media bundle entries.
+    INVALID_MEDIA_BUNDLE_ENTRY = 10;
+
+    // The media bundle contains a file with an unknown mime type
+    INVALID_MIME_TYPE = 11;
+
+    // The media bundle contain an invalid asset path.
+    INVALID_PATH = 12;
+
+    // HTML5 ad is trying to reference an asset not in .ZIP file
+    INVALID_URL_REFERENCE = 13;
+
+    // Media data is too large.
+    MEDIA_DATA_TOO_LARGE = 14;
+
+    // The media bundle contains no primary entry.
+    MISSING_PRIMARY_MEDIA_BUNDLE_ENTRY = 15;
+
+    // There was an error on the server.
+    SERVER_ERROR = 16;
+
+    // The image could not be stored.
+    STORAGE_ERROR = 17;
+
+    // Media bundle created with the Swiffy tool is not allowed.
+    SWIFFY_BUNDLE_NOT_ALLOWED = 18;
+
+    // The media bundle contains too many files.
+    TOO_MANY_FILES = 19;
+
+    // The media bundle is not of legal dimensions.
+    UNEXPECTED_SIZE = 20;
+
+    // Google Web Designer not created for "Google Ads" environment.
+    UNSUPPORTED_GOOGLE_WEB_DESIGNER_ENVIRONMENT = 21;
+
+    // Unsupported HTML5 feature in HTML5 asset.
+    UNSUPPORTED_HTML5_FEATURE = 22;
+
+    // URL in HTML5 entry is not ssl compliant.
+    URL_IN_MEDIA_BUNDLE_NOT_SSL_COMPLIANT = 23;
+
+    // Custom exits not allowed in HTML5 entry.
+    CUSTOM_EXIT_NOT_ALLOWED = 24;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/media_file_error.proto b/google/ads/googleads/v0/errors/media_file_error.proto
new file mode 100644
index 000000000..7a79bf838
--- /dev/null
+++ b/google/ads/googleads/v0/errors/media_file_error.proto
@@ -0,0 +1,110 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "MediaFileErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing media file errors.
+
+// Container for enum describing possible media file errors.
+message MediaFileErrorEnum {
+  // Enum describing possible media file errors.
+  enum MediaFileError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Cannot create a standard icon type.
+    CANNOT_CREATE_STANDARD_ICON = 2;
+
+    // May only select Standard Icons alone.
+    CANNOT_SELECT_STANDARD_ICON_WITH_OTHER_TYPES = 3;
+
+    // Image contains both a media file ID and data.
+    CANNOT_SPECIFY_MEDIA_FILE_ID_AND_DATA = 4;
+
+    // A media file with given type and reference ID already exists.
+    DUPLICATE_MEDIA = 5;
+
+    // A required field was not specified or is an empty string.
+    EMPTY_FIELD = 6;
+
+    // A media file may only be modified once per call.
+    RESOURCE_REFERENCED_IN_MULTIPLE_OPS = 7;
+
+    // Field is not supported for the media sub type.
+    FIELD_NOT_SUPPORTED_FOR_MEDIA_SUB_TYPE = 8;
+
+    // The media file ID is invalid.
+    INVALID_MEDIA_FILE_ID = 9;
+
+    // The media subtype is invalid.
+    INVALID_MEDIA_SUB_TYPE = 10;
+
+    // The media file type is invalid.
+    INVALID_MEDIA_FILE_TYPE = 11;
+
+    // The mimetype is invalid.
+    INVALID_MIME_TYPE = 12;
+
+    // The media reference ID is invalid.
+    INVALID_REFERENCE_ID = 13;
+
+    // The YouTube video ID is invalid.
+    INVALID_YOU_TUBE_ID = 14;
+
+    // Media file has failed transcoding
+    MEDIA_FILE_FAILED_TRANSCODING = 15;
+
+    // Media file has not been transcoded.
+    MEDIA_NOT_TRANSCODED = 16;
+
+    // The media type does not match the actual media file's type.
+    MEDIA_TYPE_DOES_NOT_MATCH_MEDIA_FILE_TYPE = 17;
+
+    // None of the fields have been specified.
+    NO_FIELDS_SPECIFIED = 18;
+
+    // One of reference ID or media file ID must be specified.
+    NULL_REFERENCE_ID_AND_MEDIA_ID = 19;
+
+    // The string has too many characters.
+    TOO_LONG = 20;
+
+    // The specified type is not supported.
+    UNSUPPORTED_TYPE = 21;
+
+    // YouTube is unavailable for requesting video data.
+    YOU_TUBE_SERVICE_UNAVAILABLE = 22;
+
+    // The YouTube video has a non positive duration.
+    YOU_TUBE_VIDEO_HAS_NON_POSITIVE_DURATION = 23;
+
+    // The YouTube video ID is syntactically valid but the video was not found.
+    YOU_TUBE_VIDEO_NOT_FOUND = 24;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/multiplier_error.proto b/google/ads/googleads/v0/errors/multiplier_error.proto
new file mode 100644
index 000000000..b4b35f4ac
--- /dev/null
+++ b/google/ads/googleads/v0/errors/multiplier_error.proto
@@ -0,0 +1,78 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "MultiplierErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing multiplier errors.
+
+// Container for enum describing possible multiplier errors.
+message MultiplierErrorEnum {
+  // Enum describing possible multiplier errors.
+  enum MultiplierError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Multiplier value is too high
+    MULTIPLIER_TOO_HIGH = 2;
+
+    // Multiplier value is too low
+    MULTIPLIER_TOO_LOW = 3;
+
+    // Too many fractional digits
+    TOO_MANY_FRACTIONAL_DIGITS = 4;
+
+    // A multiplier cannot be set for this bidding strategy
+    MULTIPLIER_NOT_ALLOWED_FOR_BIDDING_STRATEGY = 5;
+
+    // A multiplier cannot be set when there is no base bid (e.g., content max
+    // cpc)
+    MULTIPLIER_NOT_ALLOWED_WHEN_BASE_BID_IS_MISSING = 6;
+
+    // A bid multiplier must be specified
+    NO_MULTIPLIER_SPECIFIED = 7;
+
+    // Multiplier causes bid to exceed daily budget
+    MULTIPLIER_CAUSES_BID_TO_EXCEED_DAILY_BUDGET = 8;
+
+    // Multiplier causes bid to exceed monthly budget
+    MULTIPLIER_CAUSES_BID_TO_EXCEED_MONTHLY_BUDGET = 9;
+
+    // Multiplier causes bid to exceed custom budget
+    MULTIPLIER_CAUSES_BID_TO_EXCEED_CUSTOM_BUDGET = 10;
+
+    // Multiplier causes bid to exceed maximum allowed bid
+    MULTIPLIER_CAUSES_BID_TO_EXCEED_MAX_ALLOWED_BID = 11;
+
+    // Multiplier causes bid to become less than the minimum bid allowed
+    BID_LESS_THAN_MIN_ALLOWED_BID_WITH_MULTIPLIER = 12;
+
+    // Multiplier type (cpc vs. cpm) needs to match campaign's bidding strategy
+    MULTIPLIER_AND_BIDDING_STRATEGY_TYPE_MISMATCH = 13;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/mutate_error.proto b/google/ads/googleads/v0/errors/mutate_error.proto
new file mode 100644
index 000000000..5a6d2becf
--- /dev/null
+++ b/google/ads/googleads/v0/errors/mutate_error.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "MutateErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing mutate errors.
+
+// Container for enum describing possible mutate errors.
+message MutateErrorEnum {
+  // Enum describing possible mutate errors.
+  enum MutateError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Requested resource was not found.
+    RESOURCE_NOT_FOUND = 3;
+
+    // Cannot mutate the same resource twice in one request.
+    ID_EXISTS_IN_MULTIPLE_MUTATES = 7;
+
+    // The field's contents don't match another field that represents the same
+    // data.
+    INCONSISTENT_FIELD_VALUES = 8;
+
+    // Mutates are not allowed for the requested resource.
+    MUTATE_NOT_ALLOWED = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/new_resource_creation_error.proto b/google/ads/googleads/v0/errors/new_resource_creation_error.proto
new file mode 100644
index 000000000..b6d70bfdb
--- /dev/null
+++ b/google/ads/googleads/v0/errors/new_resource_creation_error.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "NewResourceCreationErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing new resource creation errors.
+
+// Container for enum describing possible new resource creation errors.
+message NewResourceCreationErrorEnum {
+  // Enum describing possible new resource creation errors.
+  enum NewResourceCreationError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Do not set the id field while creating new resources.
+    CANNOT_SET_ID_FOR_CREATE = 2;
+
+    // Creating more than one resource with the same temp ID is not allowed.
+    DUPLICATE_TEMP_IDS = 3;
+
+    // Parent resource with specified temp ID failed validation, so no
+    // validation will be done for this child resource.
+    TEMP_ID_RESOURCE_HAD_ERRORS = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/not_empty_error.proto b/google/ads/googleads/v0/errors/not_empty_error.proto
new file mode 100644
index 000000000..07aa7a793
--- /dev/null
+++ b/google/ads/googleads/v0/errors/not_empty_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "NotEmptyErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing not empty errors.
+
+// Container for enum describing possible not empty errors.
+message NotEmptyErrorEnum {
+  // Enum describing possible not empty errors.
+  enum NotEmptyError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Empty list.
+    EMPTY_LIST = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/null_error.proto b/google/ads/googleads/v0/errors/null_error.proto
new file mode 100644
index 000000000..0c72f8f10
--- /dev/null
+++ b/google/ads/googleads/v0/errors/null_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "NullErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing null errors.
+
+// Container for enum describing possible null errors.
+message NullErrorEnum {
+  // Enum describing possible null errors.
+  enum NullError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Specified list/container must not contain any null elements
+    NULL_CONTENT = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/operation_access_denied_error.proto b/google/ads/googleads/v0/errors/operation_access_denied_error.proto
new file mode 100644
index 000000000..870029b63
--- /dev/null
+++ b/google/ads/googleads/v0/errors/operation_access_denied_error.proto
@@ -0,0 +1,71 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "OperationAccessDeniedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing operation access denied errors.
+
+// Container for enum describing possible operation access denied errors.
+message OperationAccessDeniedErrorEnum {
+  // Enum describing possible operation access denied errors.
+  enum OperationAccessDeniedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Unauthorized invocation of a service's method (get, mutate, etc.)
+    ACTION_NOT_PERMITTED = 2;
+
+    // Unauthorized CREATE operation in invoking a service's mutate method.
+    CREATE_OPERATION_NOT_PERMITTED = 3;
+
+    // Unauthorized REMOVE operation in invoking a service's mutate method.
+    REMOVE_OPERATION_NOT_PERMITTED = 4;
+
+    // Unauthorized UPDATE operation in invoking a service's mutate method.
+    UPDATE_OPERATION_NOT_PERMITTED = 5;
+
+    // A mutate action is not allowed on this campaign, from this client.
+    MUTATE_ACTION_NOT_PERMITTED_FOR_CLIENT = 6;
+
+    // This operation is not permitted on this campaign type
+    OPERATION_NOT_PERMITTED_FOR_CAMPAIGN_TYPE = 7;
+
+    // A CREATE operation may not set status to REMOVED.
+    CREATE_AS_REMOVED_NOT_PERMITTED = 8;
+
+    // This operation is not allowed because the campaign or adgroup is removed.
+    OPERATION_NOT_PERMITTED_FOR_REMOVED_RESOURCE = 9;
+
+    // This operation is not permitted on this ad group type.
+    OPERATION_NOT_PERMITTED_FOR_AD_GROUP_TYPE = 10;
+
+    // The mutate is not allowed for this customer.
+    MUTATE_NOT_PERMITTED_FOR_CUSTOMER = 11;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/operator_error.proto b/google/ads/googleads/v0/errors/operator_error.proto
new file mode 100644
index 000000000..e26fffda8
--- /dev/null
+++ b/google/ads/googleads/v0/errors/operator_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "OperatorErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing operator errors.
+
+// Container for enum describing possible operator errors.
+message OperatorErrorEnum {
+  // Enum describing possible operator errors.
+  enum OperatorError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Operator not supported.
+    OPERATOR_NOT_SUPPORTED = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/policy_finding_error.proto b/google/ads/googleads/v0/errors/policy_finding_error.proto
new file mode 100644
index 000000000..9d250ec54
--- /dev/null
+++ b/google/ads/googleads/v0/errors/policy_finding_error.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "PolicyFindingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing policy finding errors.
+
+// Container for enum describing possible policy finding errors.
+message PolicyFindingErrorEnum {
+  // Enum describing possible policy finding errors.
+  enum PolicyFindingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The resource has been disapproved since the policy summary includes
+    // policy topics of type PROHIBITED.
+    POLICY_FINDING = 2;
+
+    // The given policy topic does not exist.
+    POLICY_TOPIC_NOT_FOUND = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/query_error.proto b/google/ads/googleads/v0/errors/query_error.proto
new file mode 100644
index 000000000..e284edcb1
--- /dev/null
+++ b/google/ads/googleads/v0/errors/query_error.proto
@@ -0,0 +1,200 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "QueryErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing query errors.
+
+// Container for enum describing possible query errors.
+message QueryErrorEnum {
+  // Enum describing possible query errors.
+  enum QueryError {
+    // Name unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Returned if all other query error reasons are not applicable.
+    QUERY_ERROR = 50;
+
+    // A condition used in the query references an invalid enum constant.
+    BAD_ENUM_CONSTANT = 18;
+
+    // Query contains an invalid escape sequence.
+    BAD_ESCAPE_SEQUENCE = 7;
+
+    // Field name is invalid.
+    BAD_FIELD_NAME = 12;
+
+    // Limit value is invalid (i.e. not a number)
+    BAD_LIMIT_VALUE = 15;
+
+    // Encountered number can not be parsed.
+    BAD_NUMBER = 5;
+
+    // Invalid operator encountered.
+    BAD_OPERATOR = 3;
+
+    // Invalid resource type was specified in the FROM clause.
+    BAD_RESOURCE_TYPE_IN_FROM_CLAUSE = 45;
+
+    // Non-ASCII symbol encountered outside of strings.
+    BAD_SYMBOL = 2;
+
+    // Value is invalid.
+    BAD_VALUE = 4;
+
+    // Date filters fail to restrict date to a range smaller than 31 days.
+    // Applicable if the query is segmented by date.
+    DATE_RANGE_TOO_WIDE = 36;
+
+    // Expected AND between values with BETWEEN operator.
+    EXPECTED_AND = 30;
+
+    // Expecting ORDER BY to have BY.
+    EXPECTED_BY = 14;
+
+    // There was no dimension field selected.
+    EXPECTED_DIMENSION_FIELD_IN_SELECT_CLAUSE = 37;
+
+    // Missing filters on date related fields.
+    EXPECTED_FILTERS_ON_DATE_RANGE = 55;
+
+    // Missing FROM clause.
+    EXPECTED_FROM = 44;
+
+    // The operator used in the conditions requires the value to be a list.
+    EXPECTED_LIST = 41;
+
+    // Fields used in WHERE or ORDER BY clauses are missing from the SELECT
+    // clause.
+    EXPECTED_REFERENCED_FIELD_IN_SELECT_CLAUSE = 16;
+
+    // SELECT is missing at the beginning of query.
+    EXPECTED_SELECT = 13;
+
+    // A list was passed as a value to a condition whose operator expects a
+    // single value.
+    EXPECTED_SINGLE_VALUE = 42;
+
+    // Missing one or both values with BETWEEN operator.
+    EXPECTED_VALUE_WITH_BETWEEN_OPERATOR = 29;
+
+    // Invalid date format. Expected 'YYYY-MM-DD'.
+    INVALID_DATE_FORMAT = 38;
+
+    // Value passed was not a string when it should have been. I.e., it was a
+    // number or unquoted literal.
+    INVALID_STRING_VALUE = 57;
+
+    // A String value passed to the BETWEEN operator does not parse as a date.
+    INVALID_VALUE_WITH_BETWEEN_OPERATOR = 26;
+
+    // The value passed to the DURING operator is not a Date range literal
+    INVALID_VALUE_WITH_DURING_OPERATOR = 22;
+
+    // A non-string value was passed to the LIKE operator.
+    INVALID_VALUE_WITH_LIKE_OPERATOR = 56;
+
+    // An operator was provided that is inapplicable to the field being
+    // filtered.
+    OPERATOR_FIELD_MISMATCH = 35;
+
+    // A Condition was found with an empty list.
+    PROHIBITED_EMPTY_LIST_IN_CONDITION = 28;
+
+    // A condition used in the query references an unsupported enum constant.
+    PROHIBITED_ENUM_CONSTANT = 54;
+
+    // Fields that are not allowed to be selected together were included in
+    // the SELECT clause.
+    PROHIBITED_FIELD_COMBINATION_IN_SELECT_CLAUSE = 31;
+
+    // A field that is not orderable was included in the ORDER BY clause.
+    PROHIBITED_FIELD_IN_ORDER_BY_CLAUSE = 40;
+
+    // A field that is not selectable was included in the SELECT clause.
+    PROHIBITED_FIELD_IN_SELECT_CLAUSE = 23;
+
+    // A field that is not filterable was included in the WHERE clause.
+    PROHIBITED_FIELD_IN_WHERE_CLAUSE = 24;
+
+    // Resource type specified in the FROM clause is not supported by this
+    // service.
+    PROHIBITED_RESOURCE_TYPE_IN_FROM_CLAUSE = 43;
+
+    // A field that comes from an incompatible resource was included in the
+    // SELECT clause.
+    PROHIBITED_RESOURCE_TYPE_IN_SELECT_CLAUSE = 48;
+
+    // A field that comes from an incompatible resource was included in the
+    // WHERE clause.
+    PROHIBITED_RESOURCE_TYPE_IN_WHERE_CLAUSE = 58;
+
+    // A metric incompatible with the main resource or other selected
+    // segmenting resources was included in the SELECT or WHERE clause.
+    PROHIBITED_METRIC_IN_SELECT_OR_WHERE_CLAUSE = 49;
+
+    // A segment incompatible with the main resource or other selected
+    // segmenting resources was included in the SELECT or WHERE clause.
+    PROHIBITED_SEGMENT_IN_SELECT_OR_WHERE_CLAUSE = 51;
+
+    // A segment in the SELECT clause is incompatible with a metric in the
+    // SELECT or WHERE clause.
+    PROHIBITED_SEGMENT_WITH_METRIC_IN_SELECT_OR_WHERE_CLAUSE = 53;
+
+    // The value passed to the limit clause is too low.
+    LIMIT_VALUE_TOO_LOW = 25;
+
+    // Query has a string containing a newline character.
+    PROHIBITED_NEWLINE_IN_STRING = 8;
+
+    // List contains values of different types.
+    PROHIBITED_VALUE_COMBINATION_IN_LIST = 10;
+
+    // The values passed to the BETWEEN operator are not of the same type.
+    PROHIBITED_VALUE_COMBINATION_WITH_BETWEEN_OPERATOR = 21;
+
+    // Query contains unterminated string.
+    STRING_NOT_TERMINATED = 6;
+
+    // Too many segments are specified in SELECT clause.
+    TOO_MANY_SEGMENTS = 34;
+
+    // Query is incomplete and cannot be parsed.
+    UNEXPECTED_END_OF_QUERY = 9;
+
+    // FROM clause cannot be specified in this query.
+    UNEXPECTED_FROM_CLAUSE = 47;
+
+    // Query contains one or more unrecognized fields.
+    UNRECOGNIZED_FIELD = 32;
+
+    // Query has an unexpected extra part.
+    UNEXPECTED_INPUT = 11;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/quota_error.proto b/google/ads/googleads/v0/errors/quota_error.proto
new file mode 100644
index 000000000..25826efe4
--- /dev/null
+++ b/google/ads/googleads/v0/errors/quota_error.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "QuotaErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing quota errors.
+
+// Container for enum describing possible quota errors.
+message QuotaErrorEnum {
+  // Enum describing possible quota errors.
+  enum QuotaError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Too many requests.
+    RESOURCE_EXHAUSTED = 2;
+
+    // Access is prohibited.
+    ACCESS_PROHIBITED = 3;
+
+    // Too many requests in a short amount of time.
+    RESOURCE_TEMPORARILY_EXHAUSTED = 4;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/range_error.proto b/google/ads/googleads/v0/errors/range_error.proto
new file mode 100644
index 000000000..e01b0d523
--- /dev/null
+++ b/google/ads/googleads/v0/errors/range_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "RangeErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing range errors.
+
+// Container for enum describing possible range errors.
+message RangeErrorEnum {
+  // Enum describing possible range errors.
+  enum RangeError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Too low.
+    TOO_LOW = 2;
+
+    // Too high.
+    TOO_HIGH = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/recommendation_error.proto b/google/ads/googleads/v0/errors/recommendation_error.proto
new file mode 100644
index 000000000..8f20cc015
--- /dev/null
+++ b/google/ads/googleads/v0/errors/recommendation_error.proto
@@ -0,0 +1,84 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "RecommendationErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing errors from applying a recommendation.
+
+// Container for enum describing possible errors from applying a recommendation.
+message RecommendationErrorEnum {
+  // Enum describing possible errors from applying a recommendation.
+  enum RecommendationError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The specified budget amount is too low e.g. lower than minimum currency
+    // unit or lower than ad group minimum cost-per-click.
+    BUDGET_AMOUNT_TOO_SMALL = 2;
+
+    // The specified budget amount is too large.
+    BUDGET_AMOUNT_TOO_LARGE = 3;
+
+    // The specified budget amount is not a valid amount. e.g. not a multiple
+    // of minimum currency unit.
+    INVALID_BUDGET_AMOUNT = 4;
+
+    // The specified keyword or ad violates ad policy.
+    POLICY_ERROR = 5;
+
+    // The specified bid amount is not valid. e.g. too many fractional digits,
+    // or negative amount.
+    INVALID_BID_AMOUNT = 6;
+
+    // The number of keywords in ad group have reached the maximum allowed.
+    ADGROUP_KEYWORD_LIMIT = 7;
+
+    // The recommendation requested to apply has already been applied.
+    RECOMMENDATION_ALREADY_APPLIED = 8;
+
+    // The recommendation requested to apply has been invalidated.
+    RECOMMENDATION_INVALIDATED = 9;
+
+    // The number of operations in a single request exceeds the maximum allowed.
+    TOO_MANY_OPERATIONS = 10;
+
+    // There are no operations in the request.
+    NO_OPERATIONS = 11;
+
+    // Operations with multiple recommendation types are not supported when
+    // partial failure mode is not enabled.
+    DIFFERENT_TYPES_NOT_SUPPORTED = 12;
+
+    // Request contains multiple operations with the same resource_name.
+    DUPLICATE_RESOURCE_NAME = 13;
+
+    // The recommendation requested to dismiss has already been dismissed.
+    RECOMMENDATION_ALREADY_DISMISSED = 14;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/region_code_error.proto b/google/ads/googleads/v0/errors/region_code_error.proto
new file mode 100644
index 000000000..2e22fbfb2
--- /dev/null
+++ b/google/ads/googleads/v0/errors/region_code_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "RegionCodeErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing region code errors.
+
+// Container for enum describing possible region code errors.
+message RegionCodeErrorEnum {
+  // Enum describing possible region code errors.
+  enum RegionCodeError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Invalid region code.
+    INVALID_REGION_CODE = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/request_error.proto b/google/ads/googleads/v0/errors/request_error.proto
new file mode 100644
index 000000000..f63308aeb
--- /dev/null
+++ b/google/ads/googleads/v0/errors/request_error.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "RequestErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing request errors.
+
+// Container for enum describing possible request errors.
+message RequestErrorEnum {
+  // Enum describing possible request errors.
+  enum RequestError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Resource name is required for this request.
+    RESOURCE_NAME_MISSING = 3;
+
+    // Resource name provided is malformed.
+    RESOURCE_NAME_MALFORMED = 4;
+
+    // Resource name provided is malformed.
+    BAD_RESOURCE_ID = 17;
+
+    // Customer ID is invalid.
+    INVALID_CUSTOMER_ID = 16;
+
+    // Mutate operation should have either create, update, or remove specified.
+    OPERATION_REQUIRED = 5;
+
+    // Requested resource not found.
+    RESOURCE_NOT_FOUND = 6;
+
+    // Next page token specified in user request is invalid.
+    INVALID_PAGE_TOKEN = 7;
+
+    // Next page token specified in user request has expired.
+    EXPIRED_PAGE_TOKEN = 8;
+
+    // Required field is missing.
+    REQUIRED_FIELD_MISSING = 9;
+
+    // The field cannot be modified because it's immutable. It's also possible
+    // that the field can be modified using 'create' operation but not 'update'.
+    IMMUTABLE_FIELD = 11;
+
+    // Received too many entries in request.
+    TOO_MANY_MUTATE_OPERATIONS = 13;
+
+    // Request cannot be executed by a manager account.
+    CANNOT_BE_EXECUTED_BY_MANAGER_ACCOUNT = 14;
+
+    // Mutate request was attempting to modify a readonly field.
+    // For instance, Budget fields can be requested for Ad Group,
+    // but are read-only for adGroups:mutate.
+    CANNOT_MODIFY_FOREIGN_FIELD = 15;
+
+    // Enum value is not permitted.
+    INVALID_ENUM_VALUE = 18;
+
+    // The developer-token parameter is required for all requests.
+    DEVELOPER_TOKEN_PARAMETER_MISSING = 19;
+
+    // The login-customer-id parameter is required for this request.
+    LOGIN_CUSTOMER_ID_PARAMETER_MISSING = 20;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/resource_access_denied_error.proto b/google/ads/googleads/v0/errors/resource_access_denied_error.proto
new file mode 100644
index 000000000..1ec83d0d4
--- /dev/null
+++ b/google/ads/googleads/v0/errors/resource_access_denied_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ResourceAccessDeniedErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing resource access denied errors.
+
+// Container for enum describing possible resource access denied errors.
+message ResourceAccessDeniedErrorEnum {
+  // Enum describing possible resource access denied errors.
+  enum ResourceAccessDeniedError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // User did not have write access.
+    WRITE_ACCESS_DENIED = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/resource_count_limit_exceeded_error.proto b/google/ads/googleads/v0/errors/resource_count_limit_exceeded_error.proto
new file mode 100644
index 000000000..6cd9f93aa
--- /dev/null
+++ b/google/ads/googleads/v0/errors/resource_count_limit_exceeded_error.proto
@@ -0,0 +1,86 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "ResourceCountLimitExceededErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing resource count limit exceeded errors.
+
+// Container for enum describing possible resource count limit exceeded errors.
+message ResourceCountLimitExceededErrorEnum {
+  // Enum describing possible resource count limit exceeded errors.
+  enum ResourceCountLimitExceededError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // for the Google Ads account. The exact resource type and limit being
+    // checked
+    // can be inferred from accountLimitType.
+    ACCOUNT_LIMIT = 2;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // in a Campaign. The exact resource type and limit being checked can be
+    // inferred from accountLimitType, and the numeric id of the
+    // Campaign involved is given by enclosingId.
+    CAMPAIGN_LIMIT = 3;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // in an ad group. The exact resource type and limit being checked can be
+    // inferred from accountLimitType, and the numeric id of the
+    // ad group involved is given by enclosingId.
+    ADGROUP_LIMIT = 4;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // in an ad group ad. The exact resource type and limit being checked can
+    // be inferred from accountLimitType, and the enclosingId
+    // contains the ad group id followed by the ad id, separated by a single
+    // comma (,).
+    AD_GROUP_AD_LIMIT = 5;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // in an ad group criterion. The exact resource type and limit being checked
+    // can be inferred from accountLimitType, and the
+    // enclosingId contains the ad group id followed by the
+    // criterion id, separated by a single comma (,).
+    AD_GROUP_CRITERION_LIMIT = 6;
+
+    // Indicates that this request would exceed the number of allowed resources
+    // in this shared set. The exact resource type and limit being checked can
+    // be inferred from accountLimitType, and the numeric id of the
+    // shared set involved is given by enclosingId.
+    SHARED_SET_LIMIT = 7;
+
+    // Exceeds a limit related to a matching function.
+    MATCHING_FUNCTION_LIMIT = 8;
+
+    // The response for this request would exceed the maximum number of rows
+    // that can be returned.
+    RESPONSE_ROW_LIMIT_EXCEEDED = 9;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/setting_error.proto b/google/ads/googleads/v0/errors/setting_error.proto
new file mode 100644
index 000000000..788cb86ef
--- /dev/null
+++ b/google/ads/googleads/v0/errors/setting_error.proto
@@ -0,0 +1,102 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "SettingErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing setting errors.
+
+// Container for enum describing possible setting errors.
+message SettingErrorEnum {
+  // Enum describing possible setting errors.
+  enum SettingError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The campaign setting is not available for this Google Ads account.
+    SETTING_TYPE_IS_NOT_AVAILABLE = 3;
+
+    // The setting is not compatible with the campaign.
+    SETTING_TYPE_IS_NOT_COMPATIBLE_WITH_CAMPAIGN = 4;
+
+    // The supplied TargetingSetting contains an invalid CriterionTypeGroup. See
+    // CriterionTypeGroup documentation for CriterionTypeGroups allowed
+    // in Campaign or AdGroup TargetingSettings.
+    TARGETING_SETTING_CONTAINS_INVALID_CRITERION_TYPE_GROUP = 5;
+
+    // TargetingSetting must not explicitly
+    // set any of the Demographic CriterionTypeGroups (AGE_RANGE, GENDER,
+    // PARENT, INCOME_RANGE) to false (it's okay to not set them at all, in
+    // which case the system will set them to true automatically).
+    TARGETING_SETTING_DEMOGRAPHIC_CRITERION_TYPE_GROUPS_MUST_BE_SET_TO_TARGET_ALL = 6;
+
+    // TargetingSetting cannot change any of
+    // the Demographic CriterionTypeGroups (AGE_RANGE, GENDER, PARENT,
+    // INCOME_RANGE) from true to false.
+    TARGETING_SETTING_CANNOT_CHANGE_TARGET_ALL_TO_FALSE_FOR_DEMOGRAPHIC_CRITERION_TYPE_GROUP = 7;
+
+    // At least one feed id should be present.
+    DYNAMIC_SEARCH_ADS_SETTING_AT_LEAST_ONE_FEED_ID_MUST_BE_PRESENT = 8;
+
+    // The supplied DynamicSearchAdsSetting contains an invalid domain name.
+    DYNAMIC_SEARCH_ADS_SETTING_CONTAINS_INVALID_DOMAIN_NAME = 9;
+
+    // The supplied DynamicSearchAdsSetting contains a subdomain name.
+    DYNAMIC_SEARCH_ADS_SETTING_CONTAINS_SUBDOMAIN_NAME = 10;
+
+    // The supplied DynamicSearchAdsSetting contains an invalid language code.
+    DYNAMIC_SEARCH_ADS_SETTING_CONTAINS_INVALID_LANGUAGE_CODE = 11;
+
+    // TargetingSettings in search campaigns should not have
+    // CriterionTypeGroup.PLACEMENT set to targetAll.
+    TARGET_ALL_IS_NOT_ALLOWED_FOR_PLACEMENT_IN_SEARCH_CAMPAIGN = 12;
+
+    // Duplicate description in universal app setting description field.
+    UNIVERSAL_APP_CAMPAIGN_SETTING_DUPLICATE_DESCRIPTION = 13;
+
+    // Description line width is too long in universal app setting description
+    // field.
+    UNIVERSAL_APP_CAMPAIGN_SETTING_DESCRIPTION_LINE_WIDTH_TOO_LONG = 14;
+
+    // Universal app setting appId field cannot be modified for COMPLETE
+    // campaigns.
+    UNIVERSAL_APP_CAMPAIGN_SETTING_APP_ID_CANNOT_BE_MODIFIED = 15;
+
+    // YoutubeVideoMediaIds in universal app setting cannot exceed size limit.
+    TOO_MANY_YOUTUBE_MEDIA_IDS_IN_UNIVERSAL_APP_CAMPAIGN = 16;
+
+    // ImageMediaIds in universal app setting cannot exceed size limit.
+    TOO_MANY_IMAGE_MEDIA_IDS_IN_UNIVERSAL_APP_CAMPAIGN = 17;
+
+    // Media is incompatible for universal app campaign.
+    MEDIA_INCOMPATIBLE_FOR_UNIVERSAL_APP_CAMPAIGN = 18;
+
+    // Too many exclamation marks in universal app campaign ad text ideas.
+    TOO_MANY_EXCLAMATION_MARKS = 19;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/shared_criterion_error.proto b/google/ads/googleads/v0/errors/shared_criterion_error.proto
new file mode 100644
index 000000000..321ad3430
--- /dev/null
+++ b/google/ads/googleads/v0/errors/shared_criterion_error.proto
@@ -0,0 +1,44 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "SharedCriterionErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing shared criterion errors.
+
+// Container for enum describing possible shared criterion errors.
+message SharedCriterionErrorEnum {
+  // Enum describing possible shared criterion errors.
+  enum SharedCriterionError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The criterion is not appropriate for the shared set type.
+    CRITERION_TYPE_NOT_ALLOWED_FOR_SHARED_SET_TYPE = 2;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/shared_set_error.proto b/google/ads/googleads/v0/errors/shared_set_error.proto
new file mode 100644
index 000000000..b38524d52
--- /dev/null
+++ b/google/ads/googleads/v0/errors/shared_set_error.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "SharedSetErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing shared set errors.
+
+// Container for enum describing possible shared set errors.
+message SharedSetErrorEnum {
+  // Enum describing possible shared set errors.
+  enum SharedSetError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The customer cannot create this type of shared set.
+    CUSTOMER_CANNOT_CREATE_SHARED_SET_OF_THIS_TYPE = 2;
+
+    // A shared set with this name already exists.
+    DUPLICATE_NAME = 3;
+
+    // Removed shared sets cannot be mutated.
+    SHARED_SET_REMOVED = 4;
+
+    // The shared set cannot be removed because it is in use.
+    SHARED_SET_IN_USE = 5;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/string_format_error.proto b/google/ads/googleads/v0/errors/string_format_error.proto
new file mode 100644
index 000000000..6b65615ff
--- /dev/null
+++ b/google/ads/googleads/v0/errors/string_format_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "StringFormatErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing string format errors.
+
+// Container for enum describing possible string format errors.
+message StringFormatErrorEnum {
+  // Enum describing possible string format errors.
+  enum StringFormatError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The input string value contains disallowed characters.
+    ILLEGAL_CHARS = 2;
+
+    // The input string value is invalid for the associated field.
+    INVALID_FORMAT = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/string_length_error.proto b/google/ads/googleads/v0/errors/string_length_error.proto
new file mode 100644
index 000000000..ced076bbb
--- /dev/null
+++ b/google/ads/googleads/v0/errors/string_length_error.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "StringLengthErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing string length errors.
+
+// Container for enum describing possible string length errors.
+message StringLengthErrorEnum {
+  // Enum describing possible string length errors.
+  enum StringLengthError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Too short.
+    TOO_SHORT = 2;
+
+    // Too long.
+    TOO_LONG = 3;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/url_field_error.proto b/google/ads/googleads/v0/errors/url_field_error.proto
new file mode 100644
index 000000000..cf4f3e360
--- /dev/null
+++ b/google/ads/googleads/v0/errors/url_field_error.proto
@@ -0,0 +1,209 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "UrlFieldErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing url field errors.
+
+// Container for enum describing possible url field errors.
+message UrlFieldErrorEnum {
+  // Enum describing possible url field errors.
+  enum UrlFieldError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // The tracking url template is invalid.
+    INVALID_TRACKING_URL_TEMPLATE = 2;
+
+    // The tracking url template contains invalid tag.
+    INVALID_TAG_IN_TRACKING_URL_TEMPLATE = 3;
+
+    // The tracking url template must contain at least one tag (e.g. {lpurl}),
+    // This applies only to tracking url template associated with website ads or
+    // product ads.
+    MISSING_TRACKING_URL_TEMPLATE_TAG = 4;
+
+    // The tracking url template must start with a valid protocol (or lpurl
+    // tag).
+    MISSING_PROTOCOL_IN_TRACKING_URL_TEMPLATE = 5;
+
+    // The tracking url template starts with an invalid protocol.
+    INVALID_PROTOCOL_IN_TRACKING_URL_TEMPLATE = 6;
+
+    // The tracking url template contains illegal characters.
+    MALFORMED_TRACKING_URL_TEMPLATE = 7;
+
+    // The tracking url template must contain a host name (or lpurl tag).
+    MISSING_HOST_IN_TRACKING_URL_TEMPLATE = 8;
+
+    // The tracking url template has an invalid or missing top level domain
+    // extension.
+    INVALID_TLD_IN_TRACKING_URL_TEMPLATE = 9;
+
+    // The tracking url template contains nested occurrences of the same
+    // conditional tag (i.e. {ifmobile:{ifmobile:x}}).
+    REDUNDANT_NESTED_TRACKING_URL_TEMPLATE_TAG = 10;
+
+    // The final url is invalid.
+    INVALID_FINAL_URL = 11;
+
+    // The final url contains invalid tag.
+    INVALID_TAG_IN_FINAL_URL = 12;
+
+    // The final url contains nested occurrences of the same conditional tag
+    // (i.e. {ifmobile:{ifmobile:x}}).
+    REDUNDANT_NESTED_FINAL_URL_TAG = 13;
+
+    // The final url must start with a valid protocol.
+    MISSING_PROTOCOL_IN_FINAL_URL = 14;
+
+    // The final url starts with an invalid protocol.
+    INVALID_PROTOCOL_IN_FINAL_URL = 15;
+
+    // The final url contains illegal characters.
+    MALFORMED_FINAL_URL = 16;
+
+    // The final url must contain a host name.
+    MISSING_HOST_IN_FINAL_URL = 17;
+
+    // The tracking url template has an invalid or missing top level domain
+    // extension.
+    INVALID_TLD_IN_FINAL_URL = 18;
+
+    // The final mobile url is invalid.
+    INVALID_FINAL_MOBILE_URL = 19;
+
+    // The final mobile url contains invalid tag.
+    INVALID_TAG_IN_FINAL_MOBILE_URL = 20;
+
+    // The final mobile url contains nested occurrences of the same conditional
+    // tag (i.e. {ifmobile:{ifmobile:x}}).
+    REDUNDANT_NESTED_FINAL_MOBILE_URL_TAG = 21;
+
+    // The final mobile url must start with a valid protocol.
+    MISSING_PROTOCOL_IN_FINAL_MOBILE_URL = 22;
+
+    // The final mobile url starts with an invalid protocol.
+    INVALID_PROTOCOL_IN_FINAL_MOBILE_URL = 23;
+
+    // The final mobile url contains illegal characters.
+    MALFORMED_FINAL_MOBILE_URL = 24;
+
+    // The final mobile url must contain a host name.
+    MISSING_HOST_IN_FINAL_MOBILE_URL = 25;
+
+    // The tracking url template has an invalid or missing top level domain
+    // extension.
+    INVALID_TLD_IN_FINAL_MOBILE_URL = 26;
+
+    // The final app url is invalid.
+    INVALID_FINAL_APP_URL = 27;
+
+    // The final app url contains invalid tag.
+    INVALID_TAG_IN_FINAL_APP_URL = 28;
+
+    // The final app url contains nested occurrences of the same conditional tag
+    // (i.e. {ifmobile:{ifmobile:x}}).
+    REDUNDANT_NESTED_FINAL_APP_URL_TAG = 29;
+
+    // More than one app url found for the same OS type.
+    MULTIPLE_APP_URLS_FOR_OSTYPE = 30;
+
+    // The OS type given for an app url is not valid.
+    INVALID_OSTYPE = 31;
+
+    // The protocol given for an app url is not valid. (E.g. "android-app://")
+    INVALID_PROTOCOL_FOR_APP_URL = 32;
+
+    // The package id (app id) given for an app url is not valid.
+    INVALID_PACKAGE_ID_FOR_APP_URL = 33;
+
+    // The number of url custom parameters for an resource exceeds the maximum
+    // limit allowed.
+    URL_CUSTOM_PARAMETERS_COUNT_EXCEEDS_LIMIT = 34;
+
+    // An invalid character appears in the parameter key.
+    INVALID_CHARACTERS_IN_URL_CUSTOM_PARAMETER_KEY = 39;
+
+    // An invalid character appears in the parameter value.
+    INVALID_CHARACTERS_IN_URL_CUSTOM_PARAMETER_VALUE = 40;
+
+    // The url custom parameter value fails url tag validation.
+    INVALID_TAG_IN_URL_CUSTOM_PARAMETER_VALUE = 41;
+
+    // The custom parameter contains nested occurrences of the same conditional
+    // tag (i.e. {ifmobile:{ifmobile:x}}).
+    REDUNDANT_NESTED_URL_CUSTOM_PARAMETER_TAG = 42;
+
+    // The protocol (http:// or https://) is missing.
+    MISSING_PROTOCOL = 43;
+
+    // Unsupported protocol in URL. Only http and https are supported.
+    INVALID_PROTOCOL = 52;
+
+    // The url is invalid.
+    INVALID_URL = 44;
+
+    // Destination Url is deprecated.
+    DESTINATION_URL_DEPRECATED = 45;
+
+    // The url contains invalid tag.
+    INVALID_TAG_IN_URL = 46;
+
+    // The url must contain at least one tag (e.g. {lpurl}), This applies only
+    // to urls associated with website ads or product ads.
+    MISSING_URL_TAG = 47;
+
+    // Duplicate url id.
+    DUPLICATE_URL_ID = 48;
+
+    // Invalid url id.
+    INVALID_URL_ID = 49;
+
+    // The final url suffix cannot begin with '?' or '&' characters and must be
+    // a valid query string.
+    FINAL_URL_SUFFIX_MALFORMED = 50;
+
+    // The final url suffix cannot contain {lpurl} related or {ignore} tags.
+    INVALID_TAG_IN_FINAL_URL_SUFFIX = 51;
+
+    // The top level domain is invalid, e.g, not a public top level domain
+    // listed in publicsuffix.org.
+    INVALID_TOP_LEVEL_DOMAIN = 53;
+
+    // Malformed top level domain in URL.
+    MALFORMED_TOP_LEVEL_DOMAIN = 54;
+
+    // Malformed URL.
+    MALFORMED_URL = 55;
+
+    // No host found in URL.
+    MISSING_HOST = 56;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/errors/user_list_error.proto b/google/ads/googleads/v0/errors/user_list_error.proto
new file mode 100644
index 000000000..7aa63edce
--- /dev/null
+++ b/google/ads/googleads/v0/errors/user_list_error.proto
@@ -0,0 +1,115 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.errors;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Errors";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/errors;errors";
+option java_multiple_files = true;
+option java_outer_classname = "UserListErrorProto";
+option java_package = "com.google.ads.googleads.v0.errors";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Errors";
+// Proto file describing user list errors.
+
+// Container for enum describing possible user list errors.
+message UserListErrorEnum {
+  // Enum describing possible user list errors.
+  enum UserListError {
+    // Enum unspecified.
+    UNSPECIFIED = 0;
+
+    // The received error code is not known in this version.
+    UNKNOWN = 1;
+
+    // Creating and updating external remarketing user lists is not supported.
+    EXTERNAL_REMARKETING_USER_LIST_MUTATE_NOT_SUPPORTED = 2;
+
+    // Concrete type of user list is required.
+    CONCRETE_TYPE_REQUIRED = 3;
+
+    // Creating/updating user list conversion types requires specifying the
+    // conversion type Id.
+    CONVERSION_TYPE_ID_REQUIRED = 4;
+
+    // Remarketing user list cannot have duplicate conversion types.
+    DUPLICATE_CONVERSION_TYPES = 5;
+
+    // Conversion type is invalid/unknown.
+    INVALID_CONVERSION_TYPE = 6;
+
+    // User list description is empty or invalid.
+    INVALID_DESCRIPTION = 7;
+
+    // User list name is empty or invalid.
+    INVALID_NAME = 8;
+
+    // Type of the UserList does not match.
+    INVALID_TYPE = 9;
+
+    // Embedded logical user lists are not allowed.
+    CAN_NOT_ADD_LOGICAL_LIST_AS_LOGICAL_LIST_OPERAND = 10;
+
+    // User list rule operand is invalid.
+    INVALID_USER_LIST_LOGICAL_RULE_OPERAND = 11;
+
+    // Name is already being used for another user list for the account.
+    NAME_ALREADY_USED = 12;
+
+    // Name is required when creating a new conversion type.
+    NEW_CONVERSION_TYPE_NAME_REQUIRED = 13;
+
+    // The given conversion type name has been used.
+    CONVERSION_TYPE_NAME_ALREADY_USED = 14;
+
+    // Only an owner account may edit a user list.
+    OWNERSHIP_REQUIRED_FOR_SET = 15;
+
+    // The user list of the type is not mutable.
+    USER_LIST_MUTATE_NOT_SUPPORTED = 16;
+
+    // Rule is invalid.
+    INVALID_RULE = 17;
+
+    // The specified date range is empty.
+    INVALID_DATE_RANGE = 27;
+
+    // A UserList which is privacy sensitive or legal rejected cannot be mutated
+    // by external users.
+    CAN_NOT_MUTATE_SENSITIVE_USERLIST = 28;
+
+    // Maximum number of rulebased user lists a customer can have.
+    MAX_NUM_RULEBASED_USERLISTS = 29;
+
+    // BasicUserList's billable record field cannot be modified once it is set.
+    CANNOT_MODIFY_BILLABLE_RECORD_COUNT = 30;
+
+    // crm_based_user_list.app_id field must be set when upload_key_type is
+    // MOBILE_ADVERTISING_ID.
+    APP_ID_NOT_SET = 31;
+
+    // Name of the user list is reserved for system generated lists and cannot
+    // be used.
+    USERLIST_NAME_IS_RESERVED_FOR_SYSTEM_LIST = 32;
+
+    // Advertiser needs to be whitelisted to use remarketing lists created from
+    // advertiser uploaded data (e.g., Customer Match lists).
+    ADVERTISER_NOT_WHITELISTED_FOR_USING_UPLOADED_DATA = 33;
+  }
+
+
+}
diff --git a/google/ads/googleads/v0/resources/account_budget.proto b/google/ads/googleads/v0/resources/account_budget.proto
new file mode 100644
index 000000000..2c1f71631
--- /dev/null
+++ b/google/ads/googleads/v0/resources/account_budget.proto
@@ -0,0 +1,230 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/account_budget_proposal_type.proto";
+import "google/ads/googleads/v0/enums/account_budget_status.proto";
+import "google/ads/googleads/v0/enums/spending_limit_type.proto";
+import "google/ads/googleads/v0/enums/time_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the AccountBudget resource.
+
+// An account-level budget. It contains information about the budget itself,
+// as well as the most recently approved changes to the budget and proposed
+// changes that are pending approval. The proposed changes that are pending
+// approval, if any, are found in 'pending_proposal'.  Effective details about
+// the budget are found in fields prefixed 'approved_', 'adjusted_' and those
+// without a prefix.  Since some effective details may differ from what the user
+// had originally requested (e.g. spending limit), these differences are
+// juxtaposed via 'proposed_', 'approved_', and possibly 'adjusted_' fields.
+//
+// This resource is mutated using AccountBudgetProposal and cannot be mutated
+// directly. A budget may have at most one pending proposal at any given time.
+// It is read through pending_proposal.
+//
+// Once approved, a budget may be subject to adjustments, such as credit
+// adjustments.  Adjustments create differences between the 'approved' and
+// 'adjusted' fields, which would otherwise be identical.
+message AccountBudget {
+  // A pending proposal associated with the enclosing account-level budget,
+  // if applicable.
+  message PendingAccountBudgetProposal {
+    // The resource name of the proposal.
+    // AccountBudgetProposal resource names have the form:
+    //
+    //
+    // `customers/{customer_id}/accountBudgetProposals/{account_budget_proposal_id}`
+    google.protobuf.StringValue account_budget_proposal = 1;
+
+    // The type of this proposal, e.g. END to end the budget associated
+    // with this proposal.
+    google.ads.googleads.v0.enums.AccountBudgetProposalTypeEnum.AccountBudgetProposalType proposal_type = 2;
+
+    // The name to assign to the account-level budget.
+    google.protobuf.StringValue name = 3;
+
+    // The start time in yyyy-MM-dd HH:mm:ss format.
+    google.protobuf.StringValue start_date_time = 4;
+
+    // A purchase order number is a value that helps users reference this budget
+    // in their monthly invoices.
+    google.protobuf.StringValue purchase_order_number = 9;
+
+    // Notes associated with this budget.
+    google.protobuf.StringValue notes = 10;
+
+    // The time when this account-level budget proposal was created.
+    // Formatted as yyyy-MM-dd HH:mm:ss.
+    google.protobuf.StringValue creation_date_time = 11;
+
+    // The end time of the account-level budget.
+    oneof end_time {
+      // The end time in yyyy-MM-dd HH:mm:ss format.
+      google.protobuf.StringValue end_date_time = 5;
+
+      // The end time as a well-defined type, e.g. FOREVER.
+      google.ads.googleads.v0.enums.TimeTypeEnum.TimeType end_time_type = 6;
+    }
+
+    // The spending limit.
+    oneof spending_limit {
+      // The spending limit in micros.  One million is equivalent to
+      // one unit.
+      google.protobuf.Int64Value spending_limit_micros = 7;
+
+      // The spending limit as a well-defined type, e.g. INFINITE.
+      google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType spending_limit_type = 8;
+    }
+  }
+
+  // The resource name of the account-level budget.
+  // AccountBudget resource names have the form:
+  //
+  // `customers/{customer_id}/accountBudgets/{account_budget_id}`
+  string resource_name = 1;
+
+  // The ID of the account-level budget.
+  google.protobuf.Int64Value id = 2;
+
+  // The resource name of the billing setup associated with this account-level
+  // budget.  BillingSetup resource names have the form:
+  //
+  // `customers/{customer_id}/billingSetups/{billing_setup_id}`
+  google.protobuf.StringValue billing_setup = 3;
+
+  // The status of this account-level budget.
+  google.ads.googleads.v0.enums.AccountBudgetStatusEnum.AccountBudgetStatus status = 4;
+
+  // The name of the account-level budget.
+  google.protobuf.StringValue name = 5;
+
+  // The proposed start time of the account-level budget in
+  // yyyy-MM-dd HH:mm:ss format.  If a start time type of NOW was proposed,
+  // this is the time of request.
+  google.protobuf.StringValue proposed_start_date_time = 6;
+
+  // The approved start time of the account-level budget in yyyy-MM-dd HH:mm:ss
+  // format.
+  //
+  // For example, if a new budget is approved after the proposed start time,
+  // the approved start time is the time of approval.
+  google.protobuf.StringValue approved_start_date_time = 7;
+
+  // The total adjustments amount.
+  //
+  // An example of an adjustment is courtesy credits.
+  google.protobuf.Int64Value total_adjustments_micros = 18;
+
+  // The value of Ads that have been served, in micros.
+  //
+  // This includes overdelivery costs, in which case a credit might be
+  // automatically applied to the budget (see total_adjustments_micros).
+  google.protobuf.Int64Value amount_served_micros = 19;
+
+  // A purchase order number is a value that helps users reference this budget
+  // in their monthly invoices.
+  google.protobuf.StringValue purchase_order_number = 20;
+
+  // Notes associated with the budget.
+  google.protobuf.StringValue notes = 21;
+
+  // The pending proposal to modify this budget, if applicable.
+  PendingAccountBudgetProposal pending_proposal = 22;
+
+  // The proposed end time of the account-level budget.
+  oneof proposed_end_time {
+    // The proposed end time in yyyy-MM-dd HH:mm:ss format.
+    google.protobuf.StringValue proposed_end_date_time = 8;
+
+    // The proposed end time as a well-defined type, e.g. FOREVER.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType proposed_end_time_type = 9;
+  }
+
+  // The approved end time of the account-level budget.
+  //
+  // For example, if a budget's end time is updated and the proposal is approved
+  // after the proposed end time, the approved end time is the time of approval.
+  oneof approved_end_time {
+    // The approved end time in yyyy-MM-dd HH:mm:ss format.
+    google.protobuf.StringValue approved_end_date_time = 10;
+
+    // The approved end time as a well-defined type, e.g. FOREVER.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType approved_end_time_type = 11;
+  }
+
+  // The proposed spending limit.
+  oneof proposed_spending_limit {
+    // The proposed spending limit in micros.  One million is equivalent to
+    // one unit.
+    google.protobuf.Int64Value proposed_spending_limit_micros = 12;
+
+    // The proposed spending limit as a well-defined type, e.g. INFINITE.
+    google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType proposed_spending_limit_type = 13;
+  }
+
+  // The approved spending limit.
+  //
+  // For example, if the amount already spent by the account exceeds the
+  // proposed spending limit at the time the proposal is approved, the approved
+  // spending limit is set to the amount already spent.
+  oneof approved_spending_limit {
+    // The approved spending limit in micros.  One million is equivalent to
+    // one unit.  This will only be populated if the proposed spending limit
+    // is finite, and will always be greater than or equal to the
+    // proposed spending limit.
+    google.protobuf.Int64Value approved_spending_limit_micros = 14;
+
+    // The approved spending limit as a well-defined type, e.g. INFINITE.  This
+    // will only be populated if the approved spending limit is INFINITE.
+    google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType approved_spending_limit_type = 15;
+  }
+
+  // The spending limit after adjustments have been applied.  Adjustments are
+  // stored in total_adjustments_micros.
+  //
+  // This value has the final say on how much the account is allowed to spend.
+  oneof adjusted_spending_limit {
+    // The adjusted spending limit in micros.  One million is equivalent to
+    // one unit.
+    //
+    // If the approved spending limit is finite, the adjusted
+    // spending limit may vary depending on the types of adjustments applied
+    // to this budget, if applicable.
+    //
+    // The different kinds of adjustments are described here:
+    // https://support.google.com/google-ads/answer/1704323
+    //
+    // For example, a debit adjustment reduces how much the account is
+    // allowed to spend.
+    google.protobuf.Int64Value adjusted_spending_limit_micros = 16;
+
+    // The adjusted spending limit as a well-defined type, e.g. INFINITE.
+    // This will only be populated if the adjusted spending limit is INFINITE,
+    // which is guaranteed to be true if the approved spending limit is
+    // INFINITE.
+    google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType adjusted_spending_limit_type = 17;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/account_budget_proposal.proto b/google/ads/googleads/v0/resources/account_budget_proposal.proto
new file mode 100644
index 000000000..b28b14971
--- /dev/null
+++ b/google/ads/googleads/v0/resources/account_budget_proposal.proto
@@ -0,0 +1,138 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/account_budget_proposal_status.proto";
+import "google/ads/googleads/v0/enums/account_budget_proposal_type.proto";
+import "google/ads/googleads/v0/enums/spending_limit_type.proto";
+import "google/ads/googleads/v0/enums/time_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProposalProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the AccountBudgetProposal resource.
+
+// An account-level budget proposal.
+//
+// All fields prefixed with 'proposed' may not necessarily be applied directly.
+// For example, proposed spending limits may be adjusted before their
+// application.  This is true if the 'proposed' field has an 'approved'
+// counterpart, e.g. spending limits.
+//
+// Please note that the proposal type (proposal_type) changes which fields are
+// required and which must remain empty.
+message AccountBudgetProposal {
+  // The resource name of the proposal.
+  // AccountBudgetProposal resource names have the form:
+  //
+  //
+  // `customers/{customer_id}/accountBudgetProposals/{account_budget_proposal_id}`
+  string resource_name = 1;
+
+  // The ID of the proposal.
+  google.protobuf.Int64Value id = 14;
+
+  // The resource name of the billing setup associated with this proposal.
+  google.protobuf.StringValue billing_setup = 2;
+
+  // The resource name of the account-level budget associated with this
+  // proposal.
+  google.protobuf.StringValue account_budget = 3;
+
+  // The type of this proposal, e.g. END to end the budget associated with this
+  // proposal.
+  google.ads.googleads.v0.enums.AccountBudgetProposalTypeEnum.AccountBudgetProposalType proposal_type = 4;
+
+  // The status of this proposal.
+  // When a new proposal is created, the status defaults to PENDING.
+  google.ads.googleads.v0.enums.AccountBudgetProposalStatusEnum.AccountBudgetProposalStatus status = 15;
+
+  // The name to assign to the account-level budget.
+  google.protobuf.StringValue proposed_name = 5;
+
+  // The approved start date time in yyyy-mm-dd hh:mm:ss format.
+  google.protobuf.StringValue approved_start_date_time = 20;
+
+  // A purchase order number is a value that enables the user to help them
+  // reference this budget in their monthly invoices.
+  google.protobuf.StringValue proposed_purchase_order_number = 12;
+
+  // Notes associated with this budget.
+  google.protobuf.StringValue proposed_notes = 13;
+
+  // The date time when this account-level budget proposal was created, which is
+  // not the same as its approval date time, if applicable.
+  google.protobuf.StringValue creation_date_time = 16;
+
+  // The date time when this account-level budget was approved, if applicable.
+  google.protobuf.StringValue approval_date_time = 17;
+
+  // The proposed start date time of the account-level budget, which cannot be
+  // in the past.
+  oneof proposed_start_time {
+    // The proposed start date time in yyyy-mm-dd hh:mm:ss format.
+    google.protobuf.StringValue proposed_start_date_time = 18;
+
+    // The proposed start date time as a well-defined type, e.g. NOW.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType proposed_start_time_type = 7;
+  }
+
+  // The proposed end date time of the account-level budget, which cannot be in
+  // the past.
+  oneof proposed_end_time {
+    // The proposed end date time in yyyy-mm-dd hh:mm:ss format.
+    google.protobuf.StringValue proposed_end_date_time = 19;
+
+    // The proposed end date time as a well-defined type, e.g. FOREVER.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType proposed_end_time_type = 9;
+  }
+
+  // The approved end date time of the account-level budget.
+  oneof approved_end_time {
+    // The approved end date time in yyyy-mm-dd hh:mm:ss format.
+    google.protobuf.StringValue approved_end_date_time = 21;
+
+    // The approved end date time as a well-defined type, e.g. FOREVER.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType approved_end_time_type = 22;
+  }
+
+  // The proposed spending limit.
+  oneof proposed_spending_limit {
+    // The proposed spending limit in micros.  One million is equivalent to
+    // one unit.
+    google.protobuf.Int64Value proposed_spending_limit_micros = 10;
+
+    // The proposed spending limit as a well-defined type, e.g. INFINITE.
+    google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType proposed_spending_limit_type = 11;
+  }
+
+  // The approved spending limit.
+  oneof approved_spending_limit {
+    // The approved spending limit in micros.  One million is equivalent to
+    // one unit.
+    google.protobuf.Int64Value approved_spending_limit_micros = 23;
+
+    // The approved spending limit as a well-defined type, e.g. INFINITE.
+    google.ads.googleads.v0.enums.SpendingLimitTypeEnum.SpendingLimitType approved_spending_limit_type = 24;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/ad.proto b/google/ads/googleads/v0/resources/ad.proto
new file mode 100644
index 000000000..c5576a5f1
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad.proto
@@ -0,0 +1,119 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/ad_type_infos.proto";
+import "google/ads/googleads/v0/common/custom_parameter.proto";
+import "google/ads/googleads/v0/enums/ad_type.proto";
+import "google/ads/googleads/v0/enums/device.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad type.
+
+// An ad.
+message Ad {
+  // The ID of the ad.
+  google.protobuf.Int64Value id = 1;
+
+  // The list of possible final URLs after all cross-domain redirects for the
+  // ad.
+  repeated google.protobuf.StringValue final_urls = 2;
+
+  // The list of possible final mobile URLs after all cross-domain redirects
+  // for the ad.
+  repeated google.protobuf.StringValue final_mobile_urls = 16;
+
+  // The URL template for constructing a tracking URL.
+  google.protobuf.StringValue tracking_url_template = 12;
+
+  // The list of mappings that can be used to substitute custom parameter tags
+  // in a
+  // `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+  repeated google.ads.googleads.v0.common.CustomParameter url_custom_parameters = 10;
+
+  // The URL that appears in the ad description for some ad formats.
+  google.protobuf.StringValue display_url = 4;
+
+  // The type of ad.
+  google.ads.googleads.v0.enums.AdTypeEnum.AdType type = 5;
+
+  // Indicates if this ad was automatically added by Google Ads and not by a
+  // user. For example, this could happen when ads are automatically created as
+  // suggestions for new ads based on knowledge of how existing ads are
+  // performing.
+  google.protobuf.BoolValue added_by_google_ads = 19;
+
+  // The device preference for the ad. You can only specify a preference for
+  // mobile devices. When this preference is set the ad will be preferred over
+  // other ads when being displayed on a mobile device. The ad can still be
+  // displayed on other device types, e.g. if no other ads are available.
+  // If unspecified (no device preference), all devices are targeted.
+  // This is only supported by some ad types.
+  google.ads.googleads.v0.enums.DeviceEnum.Device device_preference = 20;
+
+  // The name of the ad. This is only used to be able to identify the ad. It
+  // does not need to be unique and does not affect the served ad.
+  google.protobuf.StringValue name = 23;
+
+  // Details pertinent to the ad type. Exactly one value must be set.
+  oneof ad_data {
+    // Details pertaining to a text ad.
+    google.ads.googleads.v0.common.TextAdInfo text_ad = 6;
+
+    // Details pertaining to an expanded text ad.
+    google.ads.googleads.v0.common.ExpandedTextAdInfo expanded_text_ad = 7;
+
+    // Details pertaining to a Dynamic Search Ad.
+    google.ads.googleads.v0.common.DynamicSearchAdInfo dynamic_search_ad = 8;
+
+    // Details pertaining to a responsive display ad.
+    google.ads.googleads.v0.common.ResponsiveDisplayAdInfo responsive_display_ad = 9;
+
+    // Details pertaining to a call-only ad.
+    google.ads.googleads.v0.common.CallOnlyAdInfo call_only_ad = 13;
+
+    // Details pertaining to an Expanded Dynamic Search Ad.
+    // This type of ad has its headline, final URLs, and display URL
+    // auto-generated at serving time according to domain name specific
+    // information provided by `dynamic_search_ads_setting` linked at the
+    // campaign level.
+    google.ads.googleads.v0.common.ExpandedDynamicSearchAdInfo expanded_dynamic_search_ad = 14;
+
+    // Details pertaining to a hotel ad.
+    google.ads.googleads.v0.common.HotelAdInfo hotel_ad = 15;
+
+    // Details pertaining to a Smart Shopping ad.
+    google.ads.googleads.v0.common.ShoppingSmartAdInfo shopping_smart_ad = 17;
+
+    // Details pertaining to a Shopping product ad.
+    google.ads.googleads.v0.common.ShoppingProductAdInfo shopping_product_ad = 18;
+
+    // Details pertaining to a Gmail ad.
+    google.ads.googleads.v0.common.GmailAdInfo gmail_ad = 21;
+
+    // Details pertaining to an Image ad.
+    google.ads.googleads.v0.common.ImageAdInfo image_ad = 22;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/ad_group.proto b/google/ads/googleads/v0/resources/ad_group.proto
new file mode 100644
index 000000000..dc57c54c3
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group.proto
@@ -0,0 +1,111 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/custom_parameter.proto";
+import "google/ads/googleads/v0/common/explorer_auto_optimizer_setting.proto";
+import "google/ads/googleads/v0/enums/ad_group_ad_rotation_mode.proto";
+import "google/ads/googleads/v0/enums/ad_group_status.proto";
+import "google/ads/googleads/v0/enums/ad_group_type.proto";
+import "google/ads/googleads/v0/enums/targeting_dimension.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad group resource.
+
+// An ad group.
+message AdGroup {
+  // The resource name of the ad group.
+  // Ad group resource names have the form:
+  //
+  // `customers/{customer_id}/adGroups/{ad_group_id}`
+  string resource_name = 1;
+
+  // The ID of the ad group.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the ad group.
+  //
+  // This field is required and should not be empty when creating new ad
+  // groups.
+  //
+  // It must contain fewer than 255 UTF-8 full-width characters.
+  //
+  // It must not contain any null (code point 0x0), NL line feed
+  // (code point 0xA) or carriage return (code point 0xD) characters.
+  google.protobuf.StringValue name = 4;
+
+  // The status of the ad group.
+  google.ads.googleads.v0.enums.AdGroupStatusEnum.AdGroupStatus status = 5;
+
+  // The type of the ad group.
+  google.ads.googleads.v0.enums.AdGroupTypeEnum.AdGroupType type = 12;
+
+  // The ad rotation mode of the ad group.
+  google.ads.googleads.v0.enums.AdGroupAdRotationModeEnum.AdGroupAdRotationMode ad_rotation_mode = 22;
+
+  // The URL template for constructing a tracking URL.
+  google.protobuf.StringValue tracking_url_template = 13;
+
+  // The list of mappings used to substitute custom parameter tags in a
+  // `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+  repeated google.ads.googleads.v0.common.CustomParameter url_custom_parameters = 6;
+
+  // The campaign to which the ad group belongs.
+  google.protobuf.StringValue campaign = 10;
+
+  // The maximum CPC (cost-per-click) bid.
+  google.protobuf.Int64Value cpc_bid_micros = 14;
+
+  // The maximum CPM (cost-per-thousand viewable impressions) bid.
+  google.protobuf.Int64Value cpm_bid_micros = 15;
+
+  // The target cost-per-acquisition (conversion) bid.
+  google.protobuf.Int64Value cpa_bid_micros = 16;
+
+  // The CPV (cost-per-view) bid.
+  google.protobuf.Int64Value cpv_bid_micros = 17;
+
+  // The target return on ad spend (ROAS) override. If the ad group's campaign
+  // bidding strategy is a standard Target ROAS strategy, then this field
+  // overrides the target ROAS specified in the campaign's bidding strategy.
+  // Otherwise, this value is ignored.
+  google.protobuf.DoubleValue target_roas_override = 19;
+
+  // The percent cpc bid amount, expressed as a fraction of the advertised price
+  // for some good or service. The valid range for the fraction is [0,1) and the
+  // value stored here is 1,000,000 * [fraction].
+  google.protobuf.Int64Value percent_cpc_bid_micros = 20;
+
+  // Settings for the Display Campaign Optimizer, initially termed "Explorer".
+  google.ads.googleads.v0.common.ExplorerAutoOptimizerSetting explorer_auto_optimizer_setting = 21;
+
+  // Allows advertisers to specify a targeting dimension on which to place
+  // absolute bids. This is only applicable for campaigns that target only the
+  // display network and not search.
+  google.ads.googleads.v0.enums.TargetingDimensionEnum.TargetingDimension display_custom_bid_dimension = 23;
+
+  // URL template for appending params to Final URL.
+  google.protobuf.StringValue final_url_suffix = 24;
+}
diff --git a/google/ads/googleads/v0/resources/ad_group_ad.proto b/google/ads/googleads/v0/resources/ad_group_ad.proto
new file mode 100644
index 000000000..5f1f825ea
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group_ad.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/policy.proto";
+import "google/ads/googleads/v0/enums/ad_group_ad_status.proto";
+import "google/ads/googleads/v0/enums/policy_approval_status.proto";
+import "google/ads/googleads/v0/enums/policy_review_status.proto";
+import "google/ads/googleads/v0/resources/ad.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAdProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad group ad resource.
+
+// An ad group ad.
+message AdGroupAd {
+  // The resource name of the ad.
+  // Ad group ad resource names have the form:
+  //
+  // `customers/{customer_id}/adGroupAds/{ad_group_id}_{ad_id}`
+  string resource_name = 1;
+
+  // The status of the ad.
+  google.ads.googleads.v0.enums.AdGroupAdStatusEnum.AdGroupAdStatus status = 3;
+
+  // The ad group to which the ad belongs.
+  google.protobuf.StringValue ad_group = 4;
+
+  // The ad.
+  Ad ad = 5;
+
+  // Policy information for the ad.
+  AdGroupAdPolicySummary policy_summary = 6;
+}
+
+// Contains policy information for an ad.
+message AdGroupAdPolicySummary {
+  // The list of policy findings for this ad.
+  repeated google.ads.googleads.v0.common.PolicyTopicEntry policy_topic_entries = 1;
+
+  // Where in the review process this ad is.
+  google.ads.googleads.v0.enums.PolicyReviewStatusEnum.PolicyReviewStatus review_status = 2;
+
+  // The overall approval status of this ad, calculated based on the status of
+  // its individual policy topic entries.
+  google.ads.googleads.v0.enums.PolicyApprovalStatusEnum.PolicyApprovalStatus approval_status = 3;
+}
diff --git a/google/ads/googleads/v0/resources/ad_group_audience_view.proto b/google/ads/googleads/v0/resources/ad_group_audience_view.proto
new file mode 100644
index 000000000..f94627a88
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group_audience_view.proto
@@ -0,0 +1,39 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAudienceViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad group audience view resource.
+
+// An ad group audience view.
+// Includes performance data from interests and remarketing lists for Display
+// Network and YouTube Network ads, and remarketing lists for search ads (RLSA),
+// aggregated at the audience level.
+message AdGroupAudienceView {
+  // The resource name of the ad group audience view.
+  // Ad group audience view resource names have the form:
+  //
+  // `customers/{customer_id}/adGroupAudienceViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/ad_group_bid_modifier.proto b/google/ads/googleads/v0/resources/ad_group_bid_modifier.proto
new file mode 100644
index 000000000..bcb412ba8
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group_bid_modifier.proto
@@ -0,0 +1,84 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/ads/googleads/v0/enums/bid_modifier_source.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupBidModifierProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad group bid modifier resource.
+
+// Represents an ad group bid modifier.
+message AdGroupBidModifier {
+  // The resource name of the ad group bid modifier.
+  // Ad group bid modifier resource names have the form:
+  //
+  // `customers/{customer_id}/adGroupBidModifiers/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+
+  // The ad group to which this criterion belongs.
+  google.protobuf.StringValue ad_group = 2;
+
+  // The ID of the criterion to bid modify.
+  //
+  // This field is ignored for mutates.
+  google.protobuf.Int64Value criterion_id = 3;
+
+  // The modifier for the bid when the criterion matches. The modifier must be
+  // in the range: 0.1 - 10.0. The range is 1.0 - 6.0 for PreferredContent.
+  // Use 0 to opt out of a Device type.
+  google.protobuf.DoubleValue bid_modifier = 4;
+
+  // The base ad group from which this draft/trial adgroup bid modifier was
+  // created. If ad_group is a base ad group then this field will be equal to
+  // ad_group. If the ad group was created in the draft or trial and has no
+  // corresponding base ad group, then this field will be null.
+  // This field is readonly.
+  google.protobuf.StringValue base_ad_group = 9;
+
+  // Bid modifier source.
+  google.ads.googleads.v0.enums.BidModifierSourceEnum.BidModifierSource bid_modifier_source = 10;
+
+  // The criterion of this ad group bid modifier.
+  oneof criterion {
+    // Criterion for hotel date selection (default dates vs. user selected).
+    google.ads.googleads.v0.common.HotelDateSelectionTypeInfo hotel_date_selection_type = 5;
+
+    // Criterion for number of days prior to the stay the booking is being made.
+    google.ads.googleads.v0.common.HotelAdvanceBookingWindowInfo hotel_advance_booking_window = 6;
+
+    // Criterion for length of hotel stay in nights.
+    google.ads.googleads.v0.common.HotelLengthOfStayInfo hotel_length_of_stay = 7;
+
+    // Criterion for day of the week the booking is for.
+    google.ads.googleads.v0.common.HotelCheckInDayInfo hotel_check_in_day = 8;
+
+    // A device criterion.
+    google.ads.googleads.v0.common.DeviceInfo device = 11;
+
+    // A preferred content criterion.
+    google.ads.googleads.v0.common.PreferredContentInfo preferred_content = 12;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/ad_group_criterion.proto b/google/ads/googleads/v0/resources/ad_group_criterion.proto
new file mode 100644
index 000000000..ff662cb14
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group_criterion.proto
@@ -0,0 +1,197 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/ads/googleads/v0/common/custom_parameter.proto";
+import "google/ads/googleads/v0/enums/ad_group_criterion_status.proto";
+import "google/ads/googleads/v0/enums/bidding_source.proto";
+import "google/ads/googleads/v0/enums/criterion_type.proto";
+import "google/ads/googleads/v0/enums/quality_score_bucket.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupCriterionProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ad group criterion resource.
+
+// An ad group criterion.
+message AdGroupCriterion {
+  // A container for ad group criterion quality information.
+  message QualityInfo {
+    // The quality score.
+    //
+    // This field may not be populated if Google does not have enough
+    // information to determine a value.
+    google.protobuf.Int32Value quality_score = 1;
+
+    // The performance of the ad compared to other advertisers.
+    google.ads.googleads.v0.enums.QualityScoreBucketEnum.QualityScoreBucket creative_quality_score = 2;
+
+    // The quality score of the landing page.
+    google.ads.googleads.v0.enums.QualityScoreBucketEnum.QualityScoreBucket post_click_quality_score = 3;
+
+    // The click-through rate compared to that of other advertisers.
+    google.ads.googleads.v0.enums.QualityScoreBucketEnum.QualityScoreBucket search_predicted_ctr = 4;
+  }
+
+  // Estimates for criterion bids at various positions.
+  message PositionEstimates {
+    // The estimate of the CPC bid required for ad to be shown on first
+    // page of search results.
+    google.protobuf.Int64Value first_page_cpc_micros = 1;
+
+    // The estimate of the CPC bid required for ad to be displayed in first
+    // position, at the top of the first page of search results.
+    google.protobuf.Int64Value first_position_cpc_micros = 2;
+
+    // The estimate of the CPC bid required for ad to be displayed at the top
+    // of the first page of search results.
+    google.protobuf.Int64Value top_of_page_cpc_micros = 3;
+  }
+
+  // The resource name of the ad group criterion.
+  // Ad group criterion resource names have the form:
+  //
+  // `customers/{customer_id}/adGroupCriteria/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+
+  // The ID of the criterion.
+  //
+  // This field is ignored for mutates.
+  google.protobuf.Int64Value criterion_id = 26;
+
+  // The status of the criterion.
+  google.ads.googleads.v0.enums.AdGroupCriterionStatusEnum.AdGroupCriterionStatus status = 3;
+
+  // Information regarding the quality of the criterion.
+  QualityInfo quality_info = 4;
+
+  // The ad group to which the criterion belongs.
+  google.protobuf.StringValue ad_group = 5;
+
+  // The type of the criterion.
+  google.ads.googleads.v0.enums.CriterionTypeEnum.CriterionType type = 25;
+
+  // Whether to target (`false`) or exclude (`true`) the criterion.
+  //
+  // This field is immutable. To switch a criterion from positive to negative,
+  // remove then re-add it.
+  google.protobuf.BoolValue negative = 31;
+
+  // The modifier for the bid when the criterion matches. The modifier must be
+  // in the range: 0.1 - 10.0. Most targetable criteria types support modifiers.
+  google.protobuf.DoubleValue bid_modifier = 44;
+
+  // The CPC (cost-per-click) bid.
+  google.protobuf.Int64Value cpc_bid_micros = 16;
+
+  // The CPM (cost-per-thousand viewable impressions) bid.
+  google.protobuf.Int64Value cpm_bid_micros = 17;
+
+  // The CPV (cost-per-view) bid.
+  google.protobuf.Int64Value cpv_bid_micros = 24;
+
+  // The CPC bid amount, expressed as a fraction of the advertised price
+  // for some good or service. The valid range for the fraction is [0,1) and the
+  // value stored here is 1,000,000 * [fraction].
+  google.protobuf.Int64Value percent_cpc_bid_micros = 33;
+
+  // The effective CPC (cost-per-click) bid.
+  google.protobuf.Int64Value effective_cpc_bid_micros = 18;
+
+  // The effective CPM (cost-per-thousand viewable impressions) bid.
+  google.protobuf.Int64Value effective_cpm_bid_micros = 19;
+
+  // The effective CPV (cost-per-view) bid.
+  google.protobuf.Int64Value effective_cpv_bid_micros = 20;
+
+  // The effective Percent CPC bid amount.
+  google.protobuf.Int64Value effective_percent_cpc_bid_micros = 34;
+
+  // Source of the effective CPC bid.
+  google.ads.googleads.v0.enums.BiddingSourceEnum.BiddingSource effective_cpc_bid_source = 21;
+
+  // Source of the effective CPM bid.
+  google.ads.googleads.v0.enums.BiddingSourceEnum.BiddingSource effective_cpm_bid_source = 22;
+
+  // Source of the effective CPV bid.
+  google.ads.googleads.v0.enums.BiddingSourceEnum.BiddingSource effective_cpv_bid_source = 23;
+
+  // Source of the effective Percent CPC bid.
+  google.ads.googleads.v0.enums.BiddingSourceEnum.BiddingSource effective_percent_cpc_bid_source = 35;
+
+  // Estimates for criterion bids at various positions.
+  PositionEstimates position_estimates = 10;
+
+  // The list of possible final URLs after all cross-domain redirects for the
+  // ad.
+  repeated google.protobuf.StringValue final_urls = 11;
+
+  // The URL template for constructing a tracking URL.
+  google.protobuf.StringValue tracking_url_template = 13;
+
+  // The list of mappings used to substitute custom parameter tags in a
+  // `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+  repeated google.ads.googleads.v0.common.CustomParameter url_custom_parameters = 14;
+
+  // The ad group criterion.
+  //
+  // Exactly one must be set.
+  oneof criterion {
+    // Keyword.
+    google.ads.googleads.v0.common.KeywordInfo keyword = 27;
+
+    // Placement.
+    google.ads.googleads.v0.common.PlacementInfo placement = 28;
+
+    // Listing group.
+    google.ads.googleads.v0.common.ListingGroupInfo listing_group = 32;
+
+    // Age range.
+    google.ads.googleads.v0.common.AgeRangeInfo age_range = 36;
+
+    // Gender.
+    google.ads.googleads.v0.common.GenderInfo gender = 37;
+
+    // Income range.
+    google.ads.googleads.v0.common.IncomeRangeInfo income_range = 38;
+
+    // Parental status.
+    google.ads.googleads.v0.common.ParentalStatusInfo parental_status = 39;
+
+    // User List.
+    google.ads.googleads.v0.common.UserListInfo user_list = 42;
+
+    // YouTube Video.
+    google.ads.googleads.v0.common.YouTubeVideoInfo youtube_video = 40;
+
+    // YouTube Channel.
+    google.ads.googleads.v0.common.YouTubeChannelInfo youtube_channel = 41;
+
+    // Topic.
+    google.ads.googleads.v0.common.TopicInfo topic = 43;
+
+    // User Interest.
+    google.ads.googleads.v0.common.UserInterestInfo user_interest = 45;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/ad_group_feed.proto b/google/ads/googleads/v0/resources/ad_group_feed.proto
new file mode 100644
index 000000000..9d1ebc173
--- /dev/null
+++ b/google/ads/googleads/v0/resources/ad_group_feed.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/matching_function.proto";
+import "google/ads/googleads/v0/enums/feed_link_status.proto";
+import "google/ads/googleads/v0/enums/placeholder_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupFeedProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the AdGroupFeed resource.
+
+// An ad group feed.
+message AdGroupFeed {
+  // The resource name of the ad group feed.
+  // Ad group feed resource names have the form:
+  //
+  // `customers/{customer_id}/adGroupFeeds/{ad_group_id}_{feed_id}
+  string resource_name = 1;
+
+  // The feed being linked to the ad group.
+  google.protobuf.StringValue feed = 2;
+
+  // The ad group being linked to the feed.
+  google.protobuf.StringValue ad_group = 3;
+
+  // Indicates which placeholder types the feed may populate under the connected
+  // ad group. Required.
+  repeated google.ads.googleads.v0.enums.PlaceholderTypeEnum.PlaceholderType placeholder_types = 4;
+
+  // Matching function associated with the AdGroupFeed.
+  // The matching function is used to filter the set of feed items selected.
+  // Required.
+  google.ads.googleads.v0.common.MatchingFunction matching_function = 5;
+
+  // Status of the ad group feed.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedLinkStatusEnum.FeedLinkStatus status = 6;
+}
diff --git a/google/ads/googleads/v0/resources/age_range_view.proto b/google/ads/googleads/v0/resources/age_range_view.proto
new file mode 100644
index 000000000..030d28e4f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/age_range_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "AgeRangeViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the age range view resource.
+
+// An age range view.
+message AgeRangeView {
+  // The resource name of the age range view.
+  // Age range view resource names have the form:
+  //
+  // `customers/{customer_id}/ageRangeViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/bidding_strategy.proto b/google/ads/googleads/v0/resources/bidding_strategy.proto
new file mode 100644
index 000000000..b2bb70b3d
--- /dev/null
+++ b/google/ads/googleads/v0/resources/bidding_strategy.proto
@@ -0,0 +1,86 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/bidding.proto";
+import "google/ads/googleads/v0/enums/bidding_strategy_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingStrategyProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the BiddingStrategy resource
+
+// A bidding strategy.
+message BiddingStrategy {
+  // The resource name of the bidding strategy.
+  // Bidding strategy resource names have the form:
+  //
+  // `customers/{customer_id}/biddingStrategies/{bidding_strategy_id}`
+  string resource_name = 1;
+
+  // The ID of the bidding strategy.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the bidding strategy.
+  // All bidding strategies within an account must be named distinctly.
+  //
+  // The length of this string should be between 1 and 255, inclusive,
+  // in UTF-8 bytes, (trimmed).
+  google.protobuf.StringValue name = 4;
+
+  // The type of the bidding strategy.
+  // Create a bidding strategy by setting the bidding scheme.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.BiddingStrategyTypeEnum.BiddingStrategyType type = 5;
+
+  // The bidding scheme.
+  //
+  // Only one can be set.
+  oneof scheme {
+    // A bidding strategy that raises bids for clicks that seem more likely to
+    // lead to a conversion and lowers them for clicks where they seem less
+    // likely.
+    google.ads.googleads.v0.common.EnhancedCpc enhanced_cpc = 7;
+
+    // A bidding strategy that sets max CPC bids to target impressions on
+    // page one or page one promoted slots on google.com.
+    google.ads.googleads.v0.common.PageOnePromoted page_one_promoted = 8;
+
+    // A bidding strategy that sets bids to help get as many conversions as
+    // possible at the target cost-per-acquisition (CPA) you set.
+    google.ads.googleads.v0.common.TargetCpa target_cpa = 9;
+
+    // A bidding strategy that sets bids based on the target fraction of
+    // auctions where the advertiser should outrank a specific competitor.
+    google.ads.googleads.v0.common.TargetOutrankShare target_outrank_share = 10;
+
+    // A bidding strategy that helps you maximize revenue while averaging a
+    // specific target Return On Ad Spend (ROAS).
+    google.ads.googleads.v0.common.TargetRoas target_roas = 11;
+
+    // A bid strategy that sets your bids to help get as many clicks as
+    // possible within your budget.
+    google.ads.googleads.v0.common.TargetSpend target_spend = 12;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/billing_setup.proto b/google/ads/googleads/v0/resources/billing_setup.proto
new file mode 100644
index 000000000..de44d7676
--- /dev/null
+++ b/google/ads/googleads/v0/resources/billing_setup.proto
@@ -0,0 +1,122 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/billing_setup_status.proto";
+import "google/ads/googleads/v0/enums/time_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "BillingSetupProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the BillingSetup resource.
+
+// A billing setup across Ads and Payments systems; an association between a
+// Payments account and an advertiser. A billing setup is specific to one
+// advertiser.
+message BillingSetup {
+  // Container of Payments account information for this billing.
+  message PaymentsAccountInfo {
+    // A 16 digit id used to identify the Payments account associated with the
+    // billing setup.
+    //
+    // This must be passed as a string with dashes, e.g. "1234-5678-9012-3456".
+    google.protobuf.StringValue payments_account_id = 1;
+
+    // The name of the Payments account associated with the billing setup.
+    //
+    // This enables the user to specify a meaningful name for a Payments account
+    // to aid in reconciling monthly invoices.
+    //
+    // This name will be printed in the monthly invoices.
+    google.protobuf.StringValue payments_account_name = 2;
+
+    // A 12 digit id used to identify the Payments profile associated with the
+    // billing setup.
+    //
+    // This must be passed in as a string with dashes, e.g. "1234-5678-9012".
+    google.protobuf.StringValue payments_profile_id = 3;
+
+    // The name of the Payments profile associated with the billing setup.
+    google.protobuf.StringValue payments_profile_name = 4;
+
+    // A secondary payments profile id present in uncommon situations, e.g.
+    // when a sequential liability agreement has been arranged.
+    google.protobuf.StringValue secondary_payments_profile_id = 5;
+  }
+
+  // The resource name of the billing setup.
+  // BillingSetup resource names have the form:
+  //
+  // `customers/{customer_id}/billingSetups/{billing_setup_id}`
+  string resource_name = 1;
+
+  // The ID of the billing setup.
+  google.protobuf.Int64Value id = 2;
+
+  // The status of the billing setup.
+  google.ads.googleads.v0.enums.BillingSetupStatusEnum.BillingSetupStatus status = 3;
+
+  // The resource name of the Payments account associated with this billing
+  // setup. Payments resource names have the form:
+  //
+  // `customers/{customer_id}/paymentsAccounts/
+  //                       {payments_profile_id}_{payments_account_id}`
+  // When setting up billing, this is used to signup with an existing Payments
+  // account (and then payments_account_info should not be set).
+  // When getting a billing setup, this and payments_account_info will be
+  // populated.
+  google.protobuf.StringValue payments_account = 11;
+
+  // The Payments account information associated with this billing setup.
+  // When setting up billing, this is used to signup with a new Payments account
+  // (and then payments_account should not be set).
+  // When getting a billing setup, this and payments_account will be
+  // populated.
+  PaymentsAccountInfo payments_account_info = 12;
+
+  // When creating a new billing setup, this is when the setup should take
+  // effect. NOW is the only acceptable start time if the customer doesn't have
+  // any approved setups.
+  //
+  // When fetching an existing billing setup, this is the requested start time.
+  // However, if the setup was approved (see status) after the requested start
+  // time, then this is the approval time.
+  oneof start_time {
+    // The start date time in yyyy-MM-dd or yyyy-MM-dd HH:mm:ss format. Only a
+    // future time is allowed.
+    google.protobuf.StringValue start_date_time = 9;
+
+    // The start time as a type. Only NOW is allowed.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType start_time_type = 10;
+  }
+
+  // When the billing setup ends / ended. This is either FOREVER or the start
+  // time of the next scheduled billing setup.
+  oneof end_time {
+    // The end date time in yyyy-MM-dd or yyyy-MM-dd HH:mm:ss format.
+    google.protobuf.StringValue end_date_time = 13;
+
+    // The end time as a type.  The only possible value is FOREVER.
+    google.ads.googleads.v0.enums.TimeTypeEnum.TimeType end_time_type = 14;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/campaign.proto b/google/ads/googleads/v0/resources/campaign.proto
new file mode 100644
index 000000000..7f5064693
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign.proto
@@ -0,0 +1,257 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/bidding.proto";
+import "google/ads/googleads/v0/common/custom_parameter.proto";
+import "google/ads/googleads/v0/common/frequency_cap.proto";
+import "google/ads/googleads/v0/common/real_time_bidding_setting.proto";
+import "google/ads/googleads/v0/enums/ad_serving_optimization_status.proto";
+import "google/ads/googleads/v0/enums/advertising_channel_sub_type.proto";
+import "google/ads/googleads/v0/enums/advertising_channel_type.proto";
+import "google/ads/googleads/v0/enums/bidding_strategy_type.proto";
+import "google/ads/googleads/v0/enums/campaign_serving_status.proto";
+import "google/ads/googleads/v0/enums/campaign_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Campaign resource.
+
+// A campaign.
+message Campaign {
+  // The network settings for the campaign.
+  message NetworkSettings {
+    // Whether ads will be served with google.com search results.
+    google.protobuf.BoolValue target_google_search = 1;
+
+    // Whether ads will be served on partner sites in the Google Search Network
+    // (requires `target_google_search` to also be `true`).
+    google.protobuf.BoolValue target_search_network = 2;
+
+    // Whether ads will be served on specified placements in the Google Display
+    // Network. Placements are specified using the Placement criterion.
+    google.protobuf.BoolValue target_content_network = 3;
+
+    // Whether ads will be served on the Google Partner Network.
+    // This is available only to some select Google partner accounts.
+    google.protobuf.BoolValue target_partner_search_network = 4;
+  }
+
+  // Campaign-level settings for hotel ads.
+  message HotelSettingInfo {
+    // The linked Hotel Center account.
+    google.protobuf.Int64Value hotel_center_id = 1;
+  }
+
+  // The setting for controlling Dynamic Search Ads (DSA).
+  message DynamicSearchAdsSetting {
+    // The Internet domain name that this setting represents, e.g., "google.com"
+    // or "www.google.com".
+    google.protobuf.StringValue domain_name = 1;
+
+    // The language code specifying the language of the domain, e.g., "en".
+    google.protobuf.StringValue language_code = 2;
+
+    // Whether the campaign uses advertiser supplied URLs exclusively.
+    google.protobuf.BoolValue use_supplied_urls_only = 3;
+
+    // The list of page feeds associated with the campaign.
+    repeated google.protobuf.Int64Value feed_ids = 4;
+  }
+
+  // The setting for Shopping campaigns. Defines the universe of products that
+  // can be advertised by the campaign, and how this campaign interacts with
+  // other Shopping campaigns.
+  message ShoppingSetting {
+    // ID of the Merchant Center account.
+    // This field is required for create operations. This field is immutable for
+    // Shopping campaigns.
+    google.protobuf.Int64Value merchant_id = 1;
+
+    // Sales country of products to include in the campaign.
+    // This field is required for Shopping campaigns. This field is immutable.
+    // This field is optional for non-Shopping campaigns, but it must be equal
+    // to 'ZZ' if set.
+    google.protobuf.StringValue sales_country = 2;
+
+    // Priority of the campaign. Campaigns with numerically higher priorities
+    // take precedence over those with lower priorities.
+    // This field is required for Shopping campaigns, with values between 0 and
+    // 2, inclusive.
+    // This field is optional for Smart Shopping campaigns, but must be equal to
+    // 3 if set.
+    google.protobuf.Int32Value campaign_priority = 3;
+
+    // Enable local inventory ads. This field is ignored for Smart Shopping
+    // campaigns.
+    google.protobuf.BoolValue enable_local = 4;
+  }
+
+  // The resource name of the campaign.
+  // Campaign resource names have the form:
+  //
+  // `customers/{customer_id}/campaigns/{campaign_id}`
+  string resource_name = 1;
+
+  // The ID of the campaign.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the campaign.
+  //
+  // This field is required and should not be empty when creating new
+  // campaigns.
+  //
+  // It must not contain any null (code point 0x0), NL line feed
+  // (code point 0xA) or carriage return (code point 0xD) characters.
+  google.protobuf.StringValue name = 4;
+
+  // The status of the campaign.
+  //
+  // When a new campaign is added, the status defaults to ENABLED.
+  google.ads.googleads.v0.enums.CampaignStatusEnum.CampaignStatus status = 5;
+
+  // The ad serving status of the campaign.
+  google.ads.googleads.v0.enums.CampaignServingStatusEnum.CampaignServingStatus serving_status = 21;
+
+  // The ad serving optimization status of the campaign.
+  google.ads.googleads.v0.enums.AdServingOptimizationStatusEnum.AdServingOptimizationStatus ad_serving_optimization_status = 8;
+
+  // The primary serving target for ads within the campaign.
+  // The targeting options can be refined in `network_settings`.
+  //
+  // This field is required and should not be empty when creating new
+  // campaigns.
+  //
+  // Can be set only when creating campaigns.
+  // After the campaign is created, the field can not be changed.
+  google.ads.googleads.v0.enums.AdvertisingChannelTypeEnum.AdvertisingChannelType advertising_channel_type = 9;
+
+  // Optional refinement to `advertising_channel_type`.
+  // Must be a valid sub-type of the parent channel type.
+  //
+  // Can be set only when creating campaigns.
+  // After campaign is created, the field can not be changed.
+  google.ads.googleads.v0.enums.AdvertisingChannelSubTypeEnum.AdvertisingChannelSubType advertising_channel_sub_type = 10;
+
+  // The URL template for constructing a tracking URL.
+  google.protobuf.StringValue tracking_url_template = 11;
+
+  // The list of mappings used to substitute custom parameter tags in a
+  // `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+  repeated google.ads.googleads.v0.common.CustomParameter url_custom_parameters = 12;
+
+  // Settings for Real-Time Bidding, a feature only available for campaigns
+  // targeting the Ad Exchange network.
+  google.ads.googleads.v0.common.RealTimeBiddingSetting real_time_bidding_setting = 39;
+
+  // The network settings for the campaign.
+  NetworkSettings network_settings = 14;
+
+  // The hotel setting for the campaign.
+  HotelSettingInfo hotel_setting = 32;
+
+  // The setting for controlling Dynamic Search Ads (DSA).
+  DynamicSearchAdsSetting dynamic_search_ads_setting = 33;
+
+  // The setting for controlling Shopping campaigns.
+  ShoppingSetting shopping_setting = 36;
+
+  // The budget of the campaign.
+  google.protobuf.StringValue campaign_budget = 6;
+
+  // The type of bidding strategy.
+  //
+  // A bidding strategy can be created by setting either the bidding scheme to
+  // create a standard bidding strategy or the `bidding_strategy` field to
+  // create a portfolio bidding strategy.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.BiddingStrategyTypeEnum.BiddingStrategyType bidding_strategy_type = 22;
+
+  // The date when campaign started.
+  //
+  // This field must not be used in WHERE clauses.
+  google.protobuf.StringValue start_date = 19;
+
+  // The campaign group this campaign belongs to.
+  google.protobuf.StringValue campaign_group = 35;
+
+  // The date when campaign ended.
+  //
+  // This field must not be used in WHERE clauses.
+  google.protobuf.StringValue end_date = 20;
+
+  // Suffix used to append query parameters to landing pages that are served
+  // with parallel tracking.
+  google.protobuf.StringValue final_url_suffix = 38;
+
+  // A list that limits how often each user will see this campaign's ads.
+  repeated google.ads.googleads.v0.common.FrequencyCapEntry frequency_caps = 40;
+
+  // The bidding strategy for the campaign.
+  //
+  // Must be either portfolio (created via BiddingStrategy service) or
+  // standard, that is embedded into the campaign.
+  oneof campaign_bidding_strategy {
+    // Portfolio bidding strategy used by campaign.
+    google.protobuf.StringValue bidding_strategy = 23;
+
+    // Standard Manual CPC bidding strategy.
+    // Manual click-based bidding where user pays per click.
+    google.ads.googleads.v0.common.ManualCpc manual_cpc = 24;
+
+    // Standard Manual CPM bidding strategy.
+    // Manual impression-based bidding where user pays per thousand
+    // impressions.
+    google.ads.googleads.v0.common.ManualCpm manual_cpm = 25;
+
+    // A bidding strategy that pays a configurable amount per video view.
+    google.ads.googleads.v0.common.ManualCpv manual_cpv = 37;
+
+    // Standard Maximize Conversions bidding strategy that automatically
+    // maximizes number of conversions given a daily budget.
+    google.ads.googleads.v0.common.MaximizeConversions maximize_conversions = 30;
+
+    // Standard Maximize Conversion Value bidding strategy that automatically
+    // sets bids to maximize revenue while spending your budget.
+    google.ads.googleads.v0.common.MaximizeConversionValue maximize_conversion_value = 31;
+
+    // Standard Target CPA bidding strategy that automatically sets bids to
+    // help get as many conversions as possible at the target
+    // cost-per-acquisition (CPA) you set.
+    google.ads.googleads.v0.common.TargetCpa target_cpa = 26;
+
+    // Standard Target ROAS bidding strategy that automatically maximizes
+    // revenue while averaging a specific target return on ad spend (ROAS).
+    google.ads.googleads.v0.common.TargetRoas target_roas = 29;
+
+    // Standard Target Spend bidding strategy that automatically sets your bids
+    // to help get as many clicks as possible within your budget.
+    google.ads.googleads.v0.common.TargetSpend target_spend = 27;
+
+    // Standard Percent Cpc bidding strategy where bids are a fraction of the
+    // advertised price for some good or service.
+    google.ads.googleads.v0.common.PercentCpc percent_cpc = 34;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/campaign_audience_view.proto b/google/ads/googleads/v0/resources/campaign_audience_view.proto
new file mode 100644
index 000000000..6a347cb24
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_audience_view.proto
@@ -0,0 +1,41 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignAudienceViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the campaign audience view resource.
+
+// A campaign audience view.
+// Includes performance data from interests and remarketing lists for Display
+// Network and YouTube Network ads, and remarketing lists for search ads (RLSA),
+// aggregated by campaign and audience criterion. This view only includes
+// audiences attached at the campaign level.
+message CampaignAudienceView {
+  // The resource name of the campaign audience view.
+  // Campaign audience view resource names have the form:
+  //
+  //
+  // `customers/{customer_id}/campaignAudienceViews/{campaign_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/campaign_bid_modifier.proto b/google/ads/googleads/v0/resources/campaign_bid_modifier.proto
new file mode 100644
index 000000000..4d3243c4f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_bid_modifier.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignBidModifierProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Campaign Bid Modifier resource.
+
+// Represents a bid-modifiable only criterion at the campaign level.
+message CampaignBidModifier {
+  // The resource name of the campaign bid modifier.
+  // Campaign bid modifier resource names have the form:
+  //
+  // `customers/{customer_id}/campaignBidModifiers/{campaign_id}_{criterion_id}`
+  string resource_name = 1;
+
+  // The campaign to which this criterion belongs.
+  google.protobuf.StringValue campaign = 2;
+
+  // The ID of the criterion to bid modify.
+  //
+  // This field is ignored for mutates.
+  google.protobuf.Int64Value criterion_id = 3;
+
+  // The modifier for the bid when the criterion matches.
+  google.protobuf.DoubleValue bid_modifier = 4;
+
+  // The criterion of this campaign bid modifier.
+  oneof criterion {
+    // Criterion for interaction type. Only supported for search campaigns.
+    google.ads.googleads.v0.common.InteractionTypeInfo interaction_type = 5;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/campaign_budget.proto b/google/ads/googleads/v0/resources/campaign_budget.proto
new file mode 100644
index 000000000..1da77456f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_budget.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/budget_delivery_method.proto";
+import "google/ads/googleads/v0/enums/budget_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignBudgetProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Budget resource.
+
+// A campaign budget.
+message CampaignBudget {
+  // The resource name of the campaign budget.
+  // Campaign budget resource names have the form:
+  //
+  // `customers/{customer_id}/campaignBudgets/{budget_id}`
+  string resource_name = 1;
+
+  // The ID of the campaign budget.
+  //
+  // A campaign budget is created using the CampaignBudgetService create
+  // operation and is assigned a budget ID. A budget ID can be shared across
+  // different campaigns; the system will then allocate the campaign budget
+  // among different campaigns to get optimum results.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the campaign budget.
+  //
+  // When creating a campaign budget through CampaignBudgetService, every
+  // explicitly shared campaign budget must have a non-null, non-empty name.
+  // Campaign budgets that are not explicitly shared derive their name from the
+  // attached campaign's name.
+  //
+  // The length of this string must be between 1 and 255, inclusive,
+  // in UTF-8 bytes, (trimmed).
+  google.protobuf.StringValue name = 4;
+
+  // The amount of the budget, in the local currency for the account.
+  // Amount is specified in micros, where one million is equivalent to one
+  // currency unit.
+  google.protobuf.Int64Value amount_micros = 5;
+
+  // The lifetime amount of the budget, in the local currency for the account.
+  // Amount is specified in micros, where one million is equivalent to one
+  // currency unit.
+  google.protobuf.Int64Value total_amount_micros = 10;
+
+  // The status of this campaign budget. This field is read-only.
+  google.ads.googleads.v0.enums.BudgetStatusEnum.BudgetStatus status = 6;
+
+  // The delivery method that determines the rate at which the campaign budget
+  // is spent.
+  //
+  // Defaults to STANDARD if unspecified in a create operation.
+  google.ads.googleads.v0.enums.BudgetDeliveryMethodEnum.BudgetDeliveryMethod delivery_method = 7;
+
+  // Whether the budget is explicitly shared. This field is set to false by
+  // default.
+  //
+  // If true, the budget was created with the purpose of sharing
+  // across one or more campaigns.
+  //
+  // If false, the budget was created with the intention of only being used
+  // with a single campaign. The budget's name and status will stay in sync
+  // with the campaign's name and status. Attempting to share the budget with a
+  // second campaign will result in an error.
+  //
+  // A non-shared budget can become an explicitly shared. The same operation
+  // must
+  // also assign the budget a name.
+  //
+  // A shared campaign budget can never become non-shared.
+  google.protobuf.BoolValue explicitly_shared = 8;
+
+  // The number of campaigns actively using the budget.
+  //
+  // This field is read-only.
+  google.protobuf.Int64Value reference_count = 9;
+}
diff --git a/google/ads/googleads/v0/resources/campaign_criterion.proto b/google/ads/googleads/v0/resources/campaign_criterion.proto
new file mode 100644
index 000000000..fa1023448
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_criterion.proto
@@ -0,0 +1,124 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/ads/googleads/v0/enums/criterion_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignCriterionProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Campaign Criterion resource.
+
+// A campaign criterion.
+message CampaignCriterion {
+  // The resource name of the campaign criterion.
+  // Campaign criterion resource names have the form:
+  //
+  // `customers/{customer_id}/campaignCriteria/{campaign_id}_{criterion_id}`
+  string resource_name = 1;
+
+  // The campaign to which the criterion belongs.
+  google.protobuf.StringValue campaign = 4;
+
+  // The ID of the criterion.
+  //
+  // This field is ignored during mutate.
+  google.protobuf.Int64Value criterion_id = 5;
+
+  // The modifier for the bids when the criterion matches. The modifier must be
+  // in the range: 0.1 - 10.0. Most targetable criteria types support modifiers.
+  // Use 0 to opt out of a Device type.
+  google.protobuf.FloatValue bid_modifier = 14;
+
+  // Whether to target (`false`) or exclude (`true`) the criterion.
+  google.protobuf.BoolValue negative = 7;
+
+  // The type of the criterion.
+  google.ads.googleads.v0.enums.CriterionTypeEnum.CriterionType type = 6;
+
+  // The campaign criterion.
+  //
+  // Exactly one must be set.
+  oneof criterion {
+    // Keyword.
+    google.ads.googleads.v0.common.KeywordInfo keyword = 8;
+
+    // Placement.
+    google.ads.googleads.v0.common.PlacementInfo placement = 9;
+
+    // Location.
+    google.ads.googleads.v0.common.LocationInfo location = 12;
+
+    // Device.
+    google.ads.googleads.v0.common.DeviceInfo device = 13;
+
+    // Ad Schedule.
+    google.ads.googleads.v0.common.AdScheduleInfo ad_schedule = 15;
+
+    // Age range.
+    google.ads.googleads.v0.common.AgeRangeInfo age_range = 16;
+
+    // Gender.
+    google.ads.googleads.v0.common.GenderInfo gender = 17;
+
+    // Income range.
+    google.ads.googleads.v0.common.IncomeRangeInfo income_range = 18;
+
+    // Parental status.
+    google.ads.googleads.v0.common.ParentalStatusInfo parental_status = 19;
+
+    // User List.
+    google.ads.googleads.v0.common.UserListInfo user_list = 22;
+
+    // YouTube Video.
+    google.ads.googleads.v0.common.YouTubeVideoInfo youtube_video = 20;
+
+    // YouTube Channel.
+    google.ads.googleads.v0.common.YouTubeChannelInfo youtube_channel = 21;
+
+    // Proximity.
+    google.ads.googleads.v0.common.ProximityInfo proximity = 23;
+
+    // Topic.
+    google.ads.googleads.v0.common.TopicInfo topic = 24;
+
+    // Listing scope.
+    google.ads.googleads.v0.common.ListingScopeInfo listing_scope = 25;
+
+    // Language.
+    google.ads.googleads.v0.common.LanguageInfo language = 26;
+
+    // IpBlock.
+    google.ads.googleads.v0.common.IpBlockInfo ip_block = 27;
+
+    // ContentLabel.
+    google.ads.googleads.v0.common.ContentLabelInfo content_label = 28;
+
+    // Carrier.
+    google.ads.googleads.v0.common.CarrierInfo carrier = 29;
+
+    // User Interest.
+    google.ads.googleads.v0.common.UserInterestInfo user_interest = 30;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/campaign_feed.proto b/google/ads/googleads/v0/resources/campaign_feed.proto
new file mode 100644
index 000000000..cf240a267
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_feed.proto
@@ -0,0 +1,60 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/matching_function.proto";
+import "google/ads/googleads/v0/enums/feed_link_status.proto";
+import "google/ads/googleads/v0/enums/placeholder_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignFeedProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CampaignFeed resource.
+
+// A campaign feed.
+message CampaignFeed {
+  // The resource name of the campaign feed.
+  // Campaign feed resource names have the form:
+  //
+  // `customers/{customer_id}/campaignFeeds/{campaign_id}_{feed_id}
+  string resource_name = 1;
+
+  // The feed to which the CampaignFeed belongs.
+  google.protobuf.StringValue feed = 2;
+
+  // The campaign to which the CampaignFeed belongs.
+  google.protobuf.StringValue campaign = 3;
+
+  // Indicates which placeholder types the feed may populate under the connected
+  // campaign. Required.
+  repeated google.ads.googleads.v0.enums.PlaceholderTypeEnum.PlaceholderType placeholder_types = 4;
+
+  // Matching function associated with the CampaignFeed.
+  // The matching function is used to filter the set of feed items selected.
+  // Required.
+  google.ads.googleads.v0.common.MatchingFunction matching_function = 5;
+
+  // Status of the campaign feed.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedLinkStatusEnum.FeedLinkStatus status = 6;
+}
diff --git a/google/ads/googleads/v0/resources/campaign_group.proto b/google/ads/googleads/v0/resources/campaign_group.proto
new file mode 100644
index 000000000..f2056ac8f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_group.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/campaign_group_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignGroupProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Campaign group resource.
+
+// A campaign group.
+message CampaignGroup {
+  // The resource name of the campaign group.
+  // Campaign group resource names have the form:
+  //
+  // `customers/{customer_id}/campaignGroups/{campaign_group_id}`
+  string resource_name = 1;
+
+  // The ID of the campaign group.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the campaign group.
+  //
+  // This field is required and should not be empty when creating new campaign
+  // groups.
+  //
+  // It must not contain any null (code point 0x0), NL line feed
+  // (code point 0xA) or carriage return (code point 0xD) characters.
+  google.protobuf.StringValue name = 4;
+
+  // The status of the campaign group.
+  //
+  // When a new campaign group is added, the status defaults to ENABLED.
+  google.ads.googleads.v0.enums.CampaignGroupStatusEnum.CampaignGroupStatus status = 5;
+}
diff --git a/google/ads/googleads/v0/resources/campaign_shared_set.proto b/google/ads/googleads/v0/resources/campaign_shared_set.proto
new file mode 100644
index 000000000..31e9ff886
--- /dev/null
+++ b/google/ads/googleads/v0/resources/campaign_shared_set.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/campaign_shared_set_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignSharedSetProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CampaignSharedSet resource.
+
+// CampaignSharedSets are used for managing the shared sets associated with a
+// campaign.
+message CampaignSharedSet {
+  // The resource name of the campaign shared set.
+  // Campaign shared set resource names have the form:
+  //
+  // `customers/{customer_id}/campaignSharedSets/{campaign_id}_{shared_set_id}`
+  string resource_name = 1;
+
+  // The campaign to which the campaign shared set belongs.
+  google.protobuf.StringValue campaign = 3;
+
+  // The shared set associated with the campaign. This may be a negative keyword
+  // shared set of another customer. This customer should be a manager of the
+  // other customer, otherwise the campaign shared set will exist but have no
+  // serving effect. Only negative keyword shared sets can be associated with
+  // Shopping campaigns. Only negative placement shared sets can be associated
+  // with Display mobile app campaigns.
+  google.protobuf.StringValue shared_set = 4;
+
+  // The status of this campaign shared set. Read only.
+  google.ads.googleads.v0.enums.CampaignSharedSetStatusEnum.CampaignSharedSetStatus status = 2;
+}
diff --git a/google/ads/googleads/v0/resources/carrier_constant.proto b/google/ads/googleads/v0/resources/carrier_constant.proto
new file mode 100644
index 000000000..8a1fb36e7
--- /dev/null
+++ b/google/ads/googleads/v0/resources/carrier_constant.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CarrierConstantProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Carrier constant resource.
+
+// A carrier criterion that can be used in campaign targeting.
+message CarrierConstant {
+  // The resource name of the carrier criterion.
+  // Carrier criterion resource names have the form:
+  //
+  // `carrierConstants/{criterion_id}`
+  string resource_name = 1;
+
+  // The ID of the carrier criterion.
+  google.protobuf.Int64Value id = 2;
+
+  // The full name of the carrier in English.
+  google.protobuf.StringValue name = 3;
+
+  // The country code of the country where the carrier is located, e.g., "AR",
+  // "FR", etc.
+  google.protobuf.StringValue country_code = 4;
+}
diff --git a/google/ads/googleads/v0/resources/change_status.proto b/google/ads/googleads/v0/resources/change_status.proto
new file mode 100644
index 000000000..9ad5a9423
--- /dev/null
+++ b/google/ads/googleads/v0/resources/change_status.proto
@@ -0,0 +1,66 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/change_status_operation.proto";
+import "google/ads/googleads/v0/enums/change_status_resource_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "ChangeStatusProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Change Status resource.
+
+// Describes the status of returned resource.
+message ChangeStatus {
+  // The resource name of the change status.
+  // Change status resource names have the form:
+  //
+  // `customers/{customer_id}/changeStatus/{change_status_id}`
+  string resource_name = 1;
+
+  // Time at which the most recent change has occurred on this resource.
+  google.protobuf.StringValue last_change_date_time = 3;
+
+  // Represents the type of the changed resource. This dictates what fields
+  // will be set. For example, for AD_GROUP, campaign and ad_group fields will
+  // be set.
+  google.ads.googleads.v0.enums.ChangeStatusResourceTypeEnum.ChangeStatusResourceType resource_type = 4;
+
+  // The Campaign affected by this change.
+  google.protobuf.StringValue campaign = 5;
+
+  // The AdGroup affected by this change.
+  google.protobuf.StringValue ad_group = 6;
+
+  // Represents the status of the changed resource.
+  google.ads.googleads.v0.enums.ChangeStatusOperationEnum.ChangeStatusOperation resource_status = 8;
+
+  // The AdGroupAd affected by this change.
+  google.protobuf.StringValue ad_group_ad = 9;
+
+  // The AdGroupCriterion affected by this change.
+  google.protobuf.StringValue ad_group_criterion = 10;
+
+  // The CampaignCriterion affected by this change.
+  google.protobuf.StringValue campaign_criterion = 11;
+}
diff --git a/google/ads/googleads/v0/resources/conversion_action.proto b/google/ads/googleads/v0/resources/conversion_action.proto
new file mode 100644
index 000000000..1642c3dd8
--- /dev/null
+++ b/google/ads/googleads/v0/resources/conversion_action.proto
@@ -0,0 +1,130 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/tag_snippet.proto";
+import "google/ads/googleads/v0/enums/attribution_model.proto";
+import "google/ads/googleads/v0/enums/conversion_action_category.proto";
+import "google/ads/googleads/v0/enums/conversion_action_counting_type.proto";
+import "google/ads/googleads/v0/enums/conversion_action_status.proto";
+import "google/ads/googleads/v0/enums/conversion_action_type.proto";
+import "google/ads/googleads/v0/enums/data_driven_model_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Conversion Action resource.
+
+// A conversion action.
+message ConversionAction {
+  // Settings related to this conversion action's attribution model.
+  message AttributionModelSettings {
+    // The attribution model type of this conversion action.
+    google.ads.googleads.v0.enums.AttributionModelEnum.AttributionModel attribution_model = 1;
+
+    // The status of the data-driven attribution model for the conversion
+    // action.
+    google.ads.googleads.v0.enums.DataDrivenModelStatusEnum.DataDrivenModelStatus data_driven_model_status = 2;
+  }
+
+  // Settings related to the value for conversion events associated with this
+  // conversion action.
+  message ValueSettings {
+    // The value to use when conversion events for this conversion action are
+    // sent with an invalid, disallowed or missing value, or when
+    // this conversion action is configured to always use the default value.
+    google.protobuf.DoubleValue default_value = 1;
+
+    // The currency code to use when conversion events for this conversion
+    // action are sent with an invalid or missing currency code, or when this
+    // conversion action is configured to always use the default value.
+    google.protobuf.StringValue default_currency_code = 2;
+
+    // Controls whether the default value and default currency code are used in
+    // place of the value and currency code specified in conversion events for
+    // this conversion action.
+    google.protobuf.BoolValue always_use_default_value = 3;
+  }
+
+  // The resource name of the conversion action.
+  // Conversion action resource names have the form:
+  //
+  // `customers/{customer_id}/conversionActions/{conversion_action_id}`
+  string resource_name = 1;
+
+  // The ID of the conversion action.
+  google.protobuf.Int64Value id = 2;
+
+  // The name of the conversion action.
+  //
+  // This field is required and should not be empty when creating new
+  // conversion actions.
+  google.protobuf.StringValue name = 3;
+
+  // The status of this conversion action for conversion event accrual.
+  google.ads.googleads.v0.enums.ConversionActionStatusEnum.ConversionActionStatus status = 4;
+
+  // The type of this conversion action.
+  google.ads.googleads.v0.enums.ConversionActionTypeEnum.ConversionActionType type = 5;
+
+  // The category of conversions reported for this conversion action.
+  google.ads.googleads.v0.enums.ConversionActionCategoryEnum.ConversionActionCategory category = 6;
+
+  // The resource name of the conversion action owner customer, or null if this
+  // is a system-defined conversion action.
+  google.protobuf.StringValue owner_customer = 7;
+
+  // Whether this conversion action should be included in the "conversions"
+  // metric.
+  google.protobuf.BoolValue include_in_conversions_metric = 8;
+
+  // The maximum number of days that may elapse between an interaction
+  // (e.g., a click) and a conversion event.
+  google.protobuf.Int64Value click_through_lookback_window_days = 9;
+
+  // The maximum number of days which may elapse between an impression and a
+  // conversion without an interaction.
+  google.protobuf.Int64Value view_through_lookback_window_days = 10;
+
+  // Settings related to the value for conversion events associated with this
+  // conversion action.
+  ValueSettings value_settings = 11;
+
+  // How to count conversion events for the conversion action.
+  google.ads.googleads.v0.enums.ConversionActionCountingTypeEnum.ConversionActionCountingType counting_type = 12;
+
+  // Settings related to this conversion action's attribution model.
+  AttributionModelSettings attribution_model_settings = 13;
+
+  // The snippets used for tracking conversions.
+  repeated google.ads.googleads.v0.common.TagSnippet tag_snippets = 14;
+
+  // The phone call duration in seconds after which a conversion should be
+  // reported for this conversion action.
+  //
+  // The value must be between 0 and 10000, inclusive.
+  google.protobuf.Int64Value phone_call_duration_seconds = 15;
+
+  // App ID for an app conversion action.
+  google.protobuf.StringValue app_id = 16;
+}
diff --git a/google/ads/googleads/v0/resources/customer.proto b/google/ads/googleads/v0/resources/customer.proto
new file mode 100644
index 000000000..215dddf76
--- /dev/null
+++ b/google/ads/googleads/v0/resources/customer.proto
@@ -0,0 +1,84 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Customer resource.
+
+// A customer.
+message Customer {
+  // The resource name of the customer.
+  // Customer resource names have the form:
+  //
+  // `customers/{customer_id}`
+  string resource_name = 1;
+
+  // The ID of the customer.
+  google.protobuf.Int64Value id = 3;
+
+  // Optional, non-unique descriptive name of the customer.
+  google.protobuf.StringValue descriptive_name = 4;
+
+  // The currency in which the account operates.
+  // A subset of the currency codes from the ISO 4217 standard is
+  // supported.
+  google.protobuf.StringValue currency_code = 5;
+
+  // The local timezone ID of the customer.
+  google.protobuf.StringValue time_zone = 6;
+
+  // The URL template for constructing a tracking URL out of parameters.
+  google.protobuf.StringValue tracking_url_template = 7;
+
+  // The URL template for appending params to the final URL
+  google.protobuf.StringValue final_url_suffix = 11;
+
+  // Whether auto-tagging is enabled for the customer.
+  google.protobuf.BoolValue auto_tagging_enabled = 8;
+
+  // Whether the Customer has a Partners program badge. If the Customer is not
+  // associated with the Partners program, this will be false. For more
+  // information, see https://support.google.com/partners/answer/3125774.
+  google.protobuf.BoolValue has_partners_badge = 9;
+
+  // Call reporting setting for a customer.
+  CallReportingSetting call_reporting_setting = 10;
+}
+
+// Call reporting setting for a customer.
+message CallReportingSetting {
+  // Enable reporting of phone call events by redirecting them via Google
+  // System.
+  google.protobuf.BoolValue call_reporting_enabled = 1;
+
+  // Whether to enable call conversion reporting.
+  google.protobuf.BoolValue call_conversion_reporting_enabled = 2;
+
+  // Customer-level call conversion action to attribute a call conversion to.
+  // If not set a default conversion action is used. Only in effect when
+  // call_conversion_reporting_enabled is set to true.
+  google.protobuf.StringValue call_conversion_action = 9;
+}
diff --git a/google/ads/googleads/v0/resources/customer_client.proto b/google/ads/googleads/v0/resources/customer_client.proto
new file mode 100644
index 000000000..dd2db9429
--- /dev/null
+++ b/google/ads/googleads/v0/resources/customer_client.proto
@@ -0,0 +1,47 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerClientProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CustomerClient resource.
+
+// For a manager, it returns all the customers in its hierarchy and self.
+message CustomerClient {
+  // The resource name of the customer client.
+  // CustomerClient resource names have the form:
+  // `customers/{customer_id}/customerClients/{client_customer_id}`
+  string resource_name = 1;
+
+  // The client customer linked to this customer. Read only.
+  google.protobuf.StringValue client_customer = 3;
+
+  // Whether the client is hidden or not. Default value is false. Read only.
+  google.protobuf.BoolValue hidden = 4;
+
+  // Distance between customer and client. For self link, the level value will
+  // be 0. Read only.
+  google.protobuf.Int64Value level = 5;
+}
diff --git a/google/ads/googleads/v0/resources/customer_client_link.proto b/google/ads/googleads/v0/resources/customer_client_link.proto
new file mode 100644
index 000000000..afd1c631f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/customer_client_link.proto
@@ -0,0 +1,53 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/manager_link_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerClientLinkProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CustomerClientLink resource.
+
+// Represents customer client link relationship.
+message CustomerClientLink {
+  // Name of the resource.
+  // CustomerClientLink resource names have the form:
+  //
+  // `customers/{customer_id}/customerClientLinks/{client_customer_id}_{manager_link_id}`
+  string resource_name = 1;
+
+  // The client customer linked to this customer. Read only.
+  google.protobuf.StringValue client_customer = 3;
+
+  // This is uniquely identifies a customer client link. Read only.
+  google.protobuf.Int64Value manager_link_id = 4;
+
+  // This is the status of the link between client and manager.
+  google.ads.googleads.v0.enums.ManagerLinkStatusEnum.ManagerLinkStatus status = 5;
+
+  // The visibility of the link. Users can choose whether or not to see hidden
+  // links in the AdWords UI.
+  // Default value is false
+  google.protobuf.BoolValue hidden = 6;
+}
diff --git a/google/ads/googleads/v0/resources/customer_feed.proto b/google/ads/googleads/v0/resources/customer_feed.proto
new file mode 100644
index 000000000..cba6a12b3
--- /dev/null
+++ b/google/ads/googleads/v0/resources/customer_feed.proto
@@ -0,0 +1,57 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/matching_function.proto";
+import "google/ads/googleads/v0/enums/feed_link_status.proto";
+import "google/ads/googleads/v0/enums/placeholder_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerFeedProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CustomerFeed resource.
+
+// A customer feed.
+message CustomerFeed {
+  // The resource name of the customer feed.
+  // Customer feed resource names have the form:
+  //
+  // `customers/{customer_id}/customerFeeds/{feed_id}`
+  string resource_name = 1;
+
+  // The feed being linked to the customer.
+  google.protobuf.StringValue feed = 2;
+
+  // Indicates which placeholder types the feed may populate under the connected
+  // customer. Required.
+  repeated google.ads.googleads.v0.enums.PlaceholderTypeEnum.PlaceholderType placeholder_types = 3;
+
+  // Matching function associated with the CustomerFeed.
+  // The matching function is used to filter the set of feed items selected.
+  // Required.
+  google.ads.googleads.v0.common.MatchingFunction matching_function = 4;
+
+  // Status of the customer feed.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedLinkStatusEnum.FeedLinkStatus status = 5;
+}
diff --git a/google/ads/googleads/v0/resources/customer_manager_link.proto b/google/ads/googleads/v0/resources/customer_manager_link.proto
new file mode 100644
index 000000000..9138d0b61
--- /dev/null
+++ b/google/ads/googleads/v0/resources/customer_manager_link.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/manager_link_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerManagerLinkProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the CustomerManagerLink resource.
+
+// Represents customer-manager link relationship.
+message CustomerManagerLink {
+  // Name of the resource.
+  // CustomerManagerLink resource names have the form:
+  //
+  // `customers/{customer_id}/customerManagerLinks/{manager_customer_id}_{manager_link_id}`
+  string resource_name = 1;
+
+  // The manager customer linked to the customer. This field is read only.
+  google.protobuf.StringValue manager_customer = 3;
+
+  // ID of the customer-manager link. This field is read only.
+  google.protobuf.Int64Value manager_link_id = 4;
+
+  // Status of the link between the customer and the manager.
+  google.ads.googleads.v0.enums.ManagerLinkStatusEnum.ManagerLinkStatus status = 5;
+}
diff --git a/google/ads/googleads/v0/resources/display_keyword_view.proto b/google/ads/googleads/v0/resources/display_keyword_view.proto
new file mode 100644
index 000000000..818b8fdc5
--- /dev/null
+++ b/google/ads/googleads/v0/resources/display_keyword_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "DisplayKeywordViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the display keyword view resource.
+
+// A display keyword view.
+message DisplayKeywordView {
+  // The resource name of the display keyword view.
+  // Display Keyword view resource names have the form:
+  //
+  // `customers/{customer_id}/displayKeywordViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/feed.proto b/google/ads/googleads/v0/resources/feed.proto
new file mode 100644
index 000000000..0c11b39c9
--- /dev/null
+++ b/google/ads/googleads/v0/resources/feed.proto
@@ -0,0 +1,174 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/affiliate_location_feed_relationship_type.proto";
+import "google/ads/googleads/v0/enums/feed_attribute_type.proto";
+import "google/ads/googleads/v0/enums/feed_origin.proto";
+import "google/ads/googleads/v0/enums/feed_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "FeedProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Feed resource.
+
+// A feed.
+message Feed {
+  // Data used to configure a location feed populated from Google My Business
+  // Locations.
+  message PlacesLocationFeedData {
+    // Data used for authorization using OAuth.
+    message OAuthInfo {
+      // The HTTP method used to obtain authorization.
+      google.protobuf.StringValue http_method = 1;
+
+      // The HTTP request URL used to obtain authorization.
+      google.protobuf.StringValue http_request_url = 2;
+
+      // The HTTP authorization header used to obtain authorization.
+      google.protobuf.StringValue http_authorization_header = 3;
+    }
+
+    // Required authentication token (from OAuth API) for the email.
+    OAuthInfo oauth_info = 1;
+
+    // Email address of a Google My Business account or email address of a
+    // manager of the Google My Business account. Required.
+    google.protobuf.StringValue email_address = 2;
+
+    // Plus page ID of the managed business whose locations should be used. If
+    // this field is not set, then all businesses accessible by the user
+    // (specified by email_address) are used.
+    google.protobuf.StringValue business_account_identifier = 3;
+
+    // Used to filter Google My Business listings by business name. If
+    // business_name_filter is set, only listings with a matching business name
+    // are candidates to be sync'd into FeedItems.
+    google.protobuf.StringValue business_name_filter = 4;
+
+    // Used to filter Google My Business listings by categories. If entries
+    // exist in category_filters, only listings that belong to any of the
+    // categories are candidates to be sync'd into FeedItems. If no entries
+    // exist in category_filters, then all listings are candidates for syncing.
+    repeated google.protobuf.StringValue category_filters = 5;
+
+    // Used to filter Google My Business listings by labels. If entries exist in
+    // label_filters, only listings that has any of the labels set are
+    // candidates to be synchronized into FeedItems. If no entries exist in
+    // label_filters, then all listings are candidates for syncing.
+    repeated google.protobuf.StringValue label_filters = 6;
+  }
+
+  // Data used to configure an affiliate location feed populated with the
+  // specified chains.
+  message AffiliateLocationFeedData {
+    // The list of chains that the affiliate location feed will sync the
+    // locations from.
+    repeated google.protobuf.Int64Value chain_ids = 1;
+
+    // The relationship the chains have with the advertiser.
+    google.ads.googleads.v0.enums.AffiliateLocationFeedRelationshipTypeEnum.AffiliateLocationFeedRelationshipType relationship_type = 2;
+  }
+
+  // The resource name of the feed.
+  // Feed resource names have the form:
+  //
+  // `customers/{customer_id}/feeds/{feed_id}`
+  string resource_name = 1;
+
+  // The ID of the feed.
+  // This field is read-only.
+  google.protobuf.Int64Value id = 2;
+
+  // Name of the feed. Required.
+  google.protobuf.StringValue name = 3;
+
+  // The Feed's attributes. Required on CREATE.
+  // Disallowed on UPDATE. Use attribute_operations to add new attributes.
+  repeated FeedAttribute attributes = 4;
+
+  // The list of operations changing the feed attributes. Attributes can only
+  // be added, not removed.
+  repeated FeedAttributeOperation attribute_operations = 9;
+
+  // Specifies who manages the FeedAttributes for the Feed.
+  google.ads.googleads.v0.enums.FeedOriginEnum.FeedOrigin origin = 5;
+
+  // Status of the feed.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedStatusEnum.FeedStatus status = 8;
+
+  // The system data for the Feed. This data specifies information for
+  // generating the feed items of the system generated feed.
+  oneof system_feed_generation_data {
+    // Data used to configure a location feed populated from Google My Business
+    // Locations.
+    PlacesLocationFeedData places_location_feed_data = 6;
+
+    // Data used to configure an affiliate location feed populated with
+    // the specified chains.
+    AffiliateLocationFeedData affiliate_location_feed_data = 7;
+  }
+}
+
+// FeedAttributes define the types of data expected to be present in a Feed. A
+// single FeedAttribute specifies the expected type of the FeedItemAttributes
+// with the same FeedAttributeId. Optionally, a FeedAttribute can be marked as
+// being part of a FeedItem's unique key.
+message FeedAttribute {
+  // ID of the attribute.
+  google.protobuf.Int64Value id = 1;
+
+  // The name of the attribute. Required.
+  google.protobuf.StringValue name = 2;
+
+  // Data type for feed attribute. Required.
+  google.ads.googleads.v0.enums.FeedAttributeTypeEnum.FeedAttributeType type = 3;
+
+  // Indicates that data corresponding to this attribute is part of a
+  // FeedItem's unique key. It defaults to false if it is unspecified. Note
+  // that a unique key is not required in a Feed's schema, in which case the
+  // FeedItems must be referenced by their feed_item_id.
+  google.protobuf.BoolValue is_part_of_key = 4;
+}
+
+// Operation to be performed on a feed attribute list in a mutate.
+message FeedAttributeOperation {
+  // The operator.
+  enum Operator {
+    // Unspecified.
+    UNSPECIFIED = 0;
+
+    // Used for return value only. Represents value unknown in this version.
+    UNKNOWN = 1;
+
+    // Add the attribute to the existing attributes.
+    ADD = 2;
+  }
+
+  // Type of list operation to perform.
+  Operator operator = 1;
+
+  // The feed attribute being added to the list.
+  FeedAttribute value = 2;
+}
diff --git a/google/ads/googleads/v0/resources/feed_item.proto b/google/ads/googleads/v0/resources/feed_item.proto
new file mode 100644
index 000000000..ed29015a6
--- /dev/null
+++ b/google/ads/googleads/v0/resources/feed_item.proto
@@ -0,0 +1,125 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/custom_parameter.proto";
+import "google/ads/googleads/v0/common/feed_common.proto";
+import "google/ads/googleads/v0/enums/feed_item_status.proto";
+import "google/ads/googleads/v0/enums/geo_targeting_restriction.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "FeedItemProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the FeedItem resource.
+
+// A feed item.
+message FeedItem {
+  // The resource name of the feed item.
+  // Feed item resource names have the form:
+  //
+  // `customers/{customer_id}/feedItems/{feed_id}_{feed_item_id}`
+  string resource_name = 1;
+
+  // The feed to which this feed item belongs.
+  google.protobuf.StringValue feed = 2;
+
+  // The ID of this feed item.
+  google.protobuf.Int64Value id = 3;
+
+  // Start time in which this feed item is effective and can begin serving.
+  // The format is "YYYY-MM-DD HH:MM:SS".
+  // Examples: "2018-03-05 09:15:00" or "2018-02-01 14:34:30"
+  google.protobuf.StringValue start_date_time = 4;
+
+  // End time in which this feed item is no longer effective and will stop
+  // The format is "YYYY-MM-DD HH:MM:SS".
+  // Examples: "2018-03-05 09:15:00" or "2018-02-01 14:34:30"
+  google.protobuf.StringValue end_date_time = 5;
+
+  // The feed item's attribute values.
+  repeated FeedItemAttributeValue attribute_values = 6;
+
+  // Geo targeting restriction specifies the type of location that can be used
+  // for targeting.
+  google.ads.googleads.v0.enums.GeoTargetingRestrictionEnum.GeoTargetingRestriction geo_targeting_restriction = 7;
+
+  // The list of mappings used to substitute custom parameter tags in a
+  // `tracking_url_template`, `final_urls`, or `mobile_final_urls`.
+  repeated google.ads.googleads.v0.common.CustomParameter url_custom_parameters = 8;
+
+  // Status of the feed item.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedItemStatusEnum.FeedItemStatus status = 9;
+}
+
+// A feed item attribute value.
+message FeedItemAttributeValue {
+  // Id of the feed attribute for which the value is associated with.
+  google.protobuf.Int64Value feed_attribute_id = 1;
+
+  // Int64 value. Should be set if feed_attribute_id refers to a feed attribute
+  // of type INT64.
+  google.protobuf.Int64Value integer_value = 2;
+
+  // Bool value. Should be set if feed_attribute_id refers to a feed attribute
+  // of type BOOLEAN.
+  google.protobuf.BoolValue boolean_value = 3;
+
+  // String value. Should be set if feed_attribute_id refers to a feed attribute
+  // of type STRING, URL or DATE_TIME.
+  // For STRING the maximum length is 1500 characters. For URL the maximum
+  // length is 2076 characters. For DATE_TIME the format of the string must
+  // be the same as start and end time for the feed item.
+  google.protobuf.StringValue string_value = 4;
+
+  // Double value. Should be set if feed_attribute_id refers to a feed attribute
+  // of type DOUBLE.
+  google.protobuf.DoubleValue double_value = 5;
+
+  // Price value. Should be set if feed_attribute_id refers to a feed attribute
+  // of type PRICE.
+  google.ads.googleads.v0.common.Price price_value = 6;
+
+  // Repeated int64 value. Should be set if feed_attribute_id refers to a feed
+  // attribute of type INT64_LIST.
+  repeated google.protobuf.Int64Value integer_values = 7;
+
+  // Repeated bool value. Should be set if feed_attribute_id refers to a feed
+  // attribute of type BOOLEAN_LIST.
+  repeated google.protobuf.BoolValue boolean_values = 8;
+
+  // Repeated string value. Should be set if feed_attribute_id refers to a feed
+  // attribute of type STRING_LIST, URL_LIST or DATE_TIME_LIST.
+  // For STRING_LIST and URL_LIST the total size of the list in bytes may not
+  // exceed 3000. For DATE_TIME_LIST the number of elements may not exceed 200.
+  //
+  // For STRING_LIST the maximum length of each string element is 1500
+  // characters. For URL_LIST the maximum length is 2076 characters. For
+  // DATE_TIME the format of the string must be the same as start and end time
+  // for the feed item.
+  repeated google.protobuf.StringValue string_values = 9;
+
+  // Repeated double value. Should be set if feed_attribute_id refers to a feed
+  // attribute of type DOUBLE_LIST.
+  repeated google.protobuf.DoubleValue double_values = 10;
+}
diff --git a/google/ads/googleads/v0/resources/feed_mapping.proto b/google/ads/googleads/v0/resources/feed_mapping.proto
new file mode 100644
index 000000000..c2fbeb565
--- /dev/null
+++ b/google/ads/googleads/v0/resources/feed_mapping.proto
@@ -0,0 +1,151 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/ad_customizer_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/app_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/call_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/callout_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/custom_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/education_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/feed_mapping_criterion_type.proto";
+import "google/ads/googleads/v0/enums/feed_mapping_status.proto";
+import "google/ads/googleads/v0/enums/flight_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/hotel_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/job_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/local_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/message_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/placeholder_type.proto";
+import "google/ads/googleads/v0/enums/price_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/promotion_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/real_estate_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/sitelink_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/structured_snippet_placeholder_field.proto";
+import "google/ads/googleads/v0/enums/travel_placeholder_field.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "FeedMappingProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the FeedMapping resource.
+
+// A feed mapping.
+message FeedMapping {
+  // The resource name of the feed mapping.
+  // Feed mapping resource names have the form:
+  //
+  // `customers/{customer_id}/feedMappings/{feed_id}_{feed_mapping_id}`
+  string resource_name = 1;
+
+  // The feed of this feed mapping.
+  google.protobuf.StringValue feed = 2;
+
+  // Feed attributes to field mappings. These mappings are a one-to-many
+  // relationship meaning that 1 feed attribute can be used to populate
+  // multiple placeholder fields, but 1 placeholder field can only draw
+  // data from 1 feed attribute. Ad Customizer is an exception, 1 placeholder
+  // field can be mapped to multiple feed attributes. Required.
+  repeated AttributeFieldMapping attribute_field_mappings = 5;
+
+  // Status of the feed mapping.
+  // This field is read-only.
+  google.ads.googleads.v0.enums.FeedMappingStatusEnum.FeedMappingStatus status = 6;
+
+  // Feed mapping target. Can be either a placeholder or a criterion. For a
+  // given feed, the active FeedMappings must have unique targets. Required.
+  oneof target {
+    // The placeholder type of this mapping (i.e., if the mapping maps feed
+    // attributes to placeholder fields).
+    google.ads.googleads.v0.enums.PlaceholderTypeEnum.PlaceholderType placeholder_type = 3;
+
+    // The criterion type of this mapping (i.e., if the mapping maps feed
+    // attributes to criterion fields).
+    google.ads.googleads.v0.enums.FeedMappingCriterionTypeEnum.FeedMappingCriterionType criterion_type = 4;
+  }
+}
+
+// Maps from feed attribute id to a placeholder or criterion field id.
+message AttributeFieldMapping {
+  // Feed attribute from which to map.
+  google.protobuf.Int64Value feed_attribute_id = 1;
+
+  // The placeholder field ID. If a placeholder field enum is not published in
+  // the current API version, then this field will be populated and the field
+  // oneof will be empty.
+  // This field is read-only.
+  google.protobuf.Int64Value field_id = 2;
+
+  // Placeholder or criterion field to be populated using data from
+  // the above feed attribute. Required.
+  oneof field {
+    // Sitelink Placeholder Fields.
+    google.ads.googleads.v0.enums.SitelinkPlaceholderFieldEnum.SitelinkPlaceholderField sitelink_field = 3;
+
+    // Call Placeholder Fields.
+    google.ads.googleads.v0.enums.CallPlaceholderFieldEnum.CallPlaceholderField call_field = 4;
+
+    // App Placeholder Fields.
+    google.ads.googleads.v0.enums.AppPlaceholderFieldEnum.AppPlaceholderField app_field = 5;
+
+    // Callout Placeholder Fields.
+    google.ads.googleads.v0.enums.CalloutPlaceholderFieldEnum.CalloutPlaceholderField callout_field = 8;
+
+    // Structured Snippet Placeholder Fields.
+    google.ads.googleads.v0.enums.StructuredSnippetPlaceholderFieldEnum.StructuredSnippetPlaceholderField structured_snippet_field = 9;
+
+    // Message Placeholder Fields.
+    google.ads.googleads.v0.enums.MessagePlaceholderFieldEnum.MessagePlaceholderField message_field = 10;
+
+    // Price Placeholder Fields.
+    google.ads.googleads.v0.enums.PricePlaceholderFieldEnum.PricePlaceholderField price_field = 11;
+
+    // Promotion Placeholder Fields.
+    google.ads.googleads.v0.enums.PromotionPlaceholderFieldEnum.PromotionPlaceholderField promotion_field = 12;
+
+    // Ad Customizer Placeholder Fields
+    google.ads.googleads.v0.enums.AdCustomizerPlaceholderFieldEnum.AdCustomizerPlaceholderField ad_customizer_field = 13;
+
+    // Education Placeholder Fields
+    google.ads.googleads.v0.enums.EducationPlaceholderFieldEnum.EducationPlaceholderField education_field = 16;
+
+    // Flight Placeholder Fields
+    google.ads.googleads.v0.enums.FlightPlaceholderFieldEnum.FlightPlaceholderField flight_field = 17;
+
+    // Custom Placeholder Fields
+    google.ads.googleads.v0.enums.CustomPlaceholderFieldEnum.CustomPlaceholderField custom_field = 18;
+
+    // Hotel Placeholder Fields
+    google.ads.googleads.v0.enums.HotelPlaceholderFieldEnum.HotelPlaceholderField hotel_field = 19;
+
+    // Real Estate Placeholder Fields
+    google.ads.googleads.v0.enums.RealEstatePlaceholderFieldEnum.RealEstatePlaceholderField real_estate_field = 20;
+
+    // Travel Placeholder Fields
+    google.ads.googleads.v0.enums.TravelPlaceholderFieldEnum.TravelPlaceholderField travel_field = 21;
+
+    // Local Placeholder Fields
+    google.ads.googleads.v0.enums.LocalPlaceholderFieldEnum.LocalPlaceholderField local_field = 22;
+
+    // Job Placeholder Fields
+    google.ads.googleads.v0.enums.JobPlaceholderFieldEnum.JobPlaceholderField job_field = 23;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/gender_view.proto b/google/ads/googleads/v0/resources/gender_view.proto
new file mode 100644
index 000000000..a2b98e4b6
--- /dev/null
+++ b/google/ads/googleads/v0/resources/gender_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "GenderViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the gender view resource.
+
+// A gender view.
+message GenderView {
+  // The resource name of the gender view.
+  // Gender view resource names have the form:
+  //
+  // `customers/{customer_id}/genderViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/geo_target_constant.proto b/google/ads/googleads/v0/resources/geo_target_constant.proto
new file mode 100644
index 000000000..28595aaaf
--- /dev/null
+++ b/google/ads/googleads/v0/resources/geo_target_constant.proto
@@ -0,0 +1,54 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/geo_target_constant_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "GeoTargetConstantProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the geo target constant resource.
+
+// A geo target constant.
+message GeoTargetConstant {
+  // The resource name of the geo target constant.
+  // Geo target constant resource names have the form:
+  //
+  // `geoTargetConstants/{geo_target_constant_id}`
+  string resource_name = 1;
+
+  // The ID of the geo target constant.
+  google.protobuf.Int64Value id = 3;
+
+  // Geo target constant English name.
+  google.protobuf.StringValue name = 4;
+
+  // The ISO-3166-1 alpha-2 country code that is associated with the target.
+  google.protobuf.StringValue country_code = 5;
+
+  // Geo target constant target type.
+  google.protobuf.StringValue target_type = 6;
+
+  // Geo target constant status.
+  google.ads.googleads.v0.enums.GeoTargetConstantStatusEnum.GeoTargetConstantStatus status = 7;
+}
diff --git a/google/ads/googleads/v0/resources/google_ads_field.proto b/google/ads/googleads/v0/resources/google_ads_field.proto
new file mode 100644
index 000000000..1c6331592
--- /dev/null
+++ b/google/ads/googleads/v0/resources/google_ads_field.proto
@@ -0,0 +1,97 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/google_ads_field_category.proto";
+import "google/ads/googleads/v0/enums/google_ads_field_data_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "GoogleAdsFieldProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Google Ads Field resource.
+
+// A field or resource (artifact) used by GoogleAdsService.
+message GoogleAdsField {
+  // The resource name of the artifact.
+  // Artifact resource names have the form:
+  //
+  // `googleAdsFields/{name}`
+  string resource_name = 1;
+
+  // The name of the artifact.
+  google.protobuf.StringValue name = 2;
+
+  // The category of the artifact.
+  google.ads.googleads.v0.enums.GoogleAdsFieldCategoryEnum.GoogleAdsFieldCategory category = 3;
+
+  // Whether the artifact can be used in a SELECT clause in search
+  // queries.
+  google.protobuf.BoolValue selectable = 4;
+
+  // Whether the artifact can be used in a WHERE clause in search
+  // queries.
+  google.protobuf.BoolValue filterable = 5;
+
+  // Whether the artifact can be used in a ORDER BY clause in search
+  // queries.
+  google.protobuf.BoolValue sortable = 6;
+
+  // The names of all resources, segments, and metrics that are selectable with
+  // the described artifact.
+  repeated google.protobuf.StringValue selectable_with = 7;
+
+  // The names of all resources that are selectable with the described
+  // artifact. Fields from these resources do not segment metrics when included
+  // in search queries.
+  //
+  // This field is only set for artifacts whose category is RESOURCE.
+  repeated google.protobuf.StringValue attribute_resources = 8;
+
+  // The names of all metrics that are selectable with the described artifact.
+  //
+  // This field is only set for artifacts whose category is either RESOURCE or
+  // SEGMENT.
+  repeated google.protobuf.StringValue metrics = 9;
+
+  // The names of all artifacts, whether a segment or another resource, that
+  // segment metrics when included in search queries.
+  //
+  // This field is only set for artifacts of category RESOURCE, SEGMENT or
+  // METRIC.
+  repeated google.protobuf.StringValue segments = 10;
+
+  // Values the artifact can assume if it is a field of type ENUM.
+  //
+  // This field is only set for artifacts of category SEGMENT or ATTRIBUTE.
+  repeated google.protobuf.StringValue enum_values = 11;
+
+  // This field determines the operators that can be used with the artifact
+  // in WHERE clauses.
+  google.ads.googleads.v0.enums.GoogleAdsFieldDataTypeEnum.GoogleAdsFieldDataType data_type = 12;
+
+  // The URL of proto describing the artifact's data type.
+  google.protobuf.StringValue type_url = 13;
+
+  // Whether the field artifact is repeated.
+  google.protobuf.BoolValue is_repeated = 14;
+}
diff --git a/google/ads/googleads/v0/resources/hotel_group_view.proto b/google/ads/googleads/v0/resources/hotel_group_view.proto
new file mode 100644
index 000000000..8a779de96
--- /dev/null
+++ b/google/ads/googleads/v0/resources/hotel_group_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "HotelGroupViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the hotel group view resource.
+
+// A hotel group view.
+message HotelGroupView {
+  // The resource name of the hotel group view.
+  // Hotel Group view resource names have the form:
+  //
+  // `customers/{customer_id}/hotelGroupViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/hotel_performance_view.proto b/google/ads/googleads/v0/resources/hotel_performance_view.proto
new file mode 100644
index 000000000..8dc17f49e
--- /dev/null
+++ b/google/ads/googleads/v0/resources/hotel_performance_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "HotelPerformanceViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the hotel performance view resource.
+
+// A hotel performance view.
+message HotelPerformanceView {
+  // The resource name of the hotel performance view.
+  // Hotel performance view resource names have the form:
+  //
+  // `customers/{customer_id}/hotelPerformanceView`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/keyword_plan.proto b/google/ads/googleads/v0/resources/keyword_plan.proto
new file mode 100644
index 000000000..cf71f2ab4
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_plan.proto
@@ -0,0 +1,66 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/dates.proto";
+import "google/ads/googleads/v0/enums/keyword_plan_forecast_interval.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword plan resource.
+
+// A Keyword Planner plan.
+message KeywordPlan {
+  // The resource name of the Keyword Planner plan.
+  // KeywordPlan resource names have the form:
+  //
+  // `customers/{customer_id}/keywordPlans/{kp_plan_id}`
+  string resource_name = 1;
+
+  // The ID of the keyword plan.
+  google.protobuf.Int64Value id = 2;
+
+  // The name of the keyword plan.
+  //
+  // This field is required and should not be empty when creating new keyword
+  // plans.
+  google.protobuf.StringValue name = 3;
+
+  // The date period used for forecasting the plan.
+  KeywordPlanForecastPeriod forecast_period = 4;
+}
+
+// The forecasting period associated with the keyword plan.
+message KeywordPlanForecastPeriod {
+  // Required. The date used for forecasting the Plan.
+  oneof interval {
+    // A future date range relative to the current date used for forecasting.
+    google.ads.googleads.v0.enums.KeywordPlanForecastIntervalEnum.KeywordPlanForecastInterval date_interval = 1;
+
+    // The custom date range used for forecasting.
+    // The start and end dates must be in the future. Otherwise, an error will
+    // be returned when the forecasting action is performed.
+    google.ads.googleads.v0.common.DateRange date_range = 2;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/keyword_plan_ad_group.proto b/google/ads/googleads/v0/resources/keyword_plan_ad_group.proto
new file mode 100644
index 000000000..82d4a8354
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_plan_ad_group.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanAdGroupProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword plan ad group resource.
+
+// A Keyword Planner ad group.
+message KeywordPlanAdGroup {
+  // The resource name of the Keyword Planner ad group.
+  // KeywordPlanAdGroup resource names have the form:
+  //
+  // `customers/{customer_id}/keywordPlanAdGroups/{kp_ad_group_id}`
+  string resource_name = 1;
+
+  // The keyword plan campaign to which this ad group belongs.
+  google.protobuf.StringValue keyword_plan_campaign = 2;
+
+  // The ID of the keyword plan ad group.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the keyword plan ad group.
+  //
+  // This field is required and should not be empty when creating keyword plan
+  // ad group.
+  google.protobuf.StringValue name = 4;
+
+  // A default ad group max cpc bid in micros in account currency for all
+  // biddable keywords under the keyword plan ad group.
+  // If not set, will inherit from parent campaign.
+  google.protobuf.Int64Value cpc_bid_micros = 5;
+}
diff --git a/google/ads/googleads/v0/resources/keyword_plan_campaign.proto b/google/ads/googleads/v0/resources/keyword_plan_campaign.proto
new file mode 100644
index 000000000..a43f996a9
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_plan_campaign.proto
@@ -0,0 +1,77 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/keyword_plan_network.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanCampaignProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword plan campaign resource.
+
+// A Keyword Plan campaign.
+message KeywordPlanCampaign {
+  // The resource name of the Keyword Plan campaign.
+  // KeywordPlanCampaign resource names have the form:
+  //
+  // `customers/{customer_id}/keywordPlanCampaigns/{kp_campaign_id}`
+  string resource_name = 1;
+
+  // The keyword plan this campaign belongs to.
+  google.protobuf.StringValue keyword_plan = 2;
+
+  // The ID of the Keyword Plan campaign.
+  google.protobuf.Int64Value id = 3;
+
+  // The name of the Keyword Plan campaign.
+  //
+  // This field is required and should not be empty when creating Keyword Plan
+  // campaigns.
+  google.protobuf.StringValue name = 4;
+
+  // The languages targeted for the Keyword Plan campaign.
+  repeated google.protobuf.StringValue language_constants = 5;
+
+  // Targeting network.
+  //
+  // This field is required and should not be empty when creating Keyword Plan
+  // campaigns.
+  google.ads.googleads.v0.enums.KeywordPlanNetworkEnum.KeywordPlanNetwork keyword_plan_network = 6;
+
+  // A default max cpc bid in micros, and in the account currency, for all ad
+  // groups under the campaign.
+  //
+  // This field is required and should not be empty when creating Keyword Plan
+  // campaigns.
+  google.protobuf.Int64Value cpc_bid_micros = 7;
+
+  // The geo targets.
+  repeated KeywordPlanGeoTarget geo_targets = 8;
+}
+
+// A geo target.
+// Next ID: 3
+message KeywordPlanGeoTarget {
+  // Required. The resource name of the geo target.
+  google.protobuf.StringValue geo_target_constant = 1;
+}
diff --git a/google/ads/googleads/v0/resources/keyword_plan_keyword.proto b/google/ads/googleads/v0/resources/keyword_plan_keyword.proto
new file mode 100644
index 000000000..b86a63797
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_plan_keyword.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/keyword_match_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanKeywordProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword plan keyword resource.
+
+// A Keyword Plan ad group keyword.
+message KeywordPlanKeyword {
+  // The resource name of the Keyword Plan ad group keyword.
+  // KeywordPlanKeyword resource names have the form:
+  //
+  // `customers/{customer_id}/keywordPlanKeywords/{kp_ad_group_keyword_id}`
+  string resource_name = 1;
+
+  // The Keyword Plan ad group to which this keyword belongs.
+  google.protobuf.StringValue keyword_plan_ad_group = 2;
+
+  // The ID of the Keyword Plan keyword.
+  google.protobuf.Int64Value id = 3;
+
+  // The keyword text.
+  google.protobuf.StringValue text = 4;
+
+  // The keyword match type.
+  google.ads.googleads.v0.enums.KeywordMatchTypeEnum.KeywordMatchType match_type = 5;
+
+  // A keyword level max cpc bid in micros, in the account currency, that
+  // overrides the keyword plan ad group cpc bid.
+  google.protobuf.Int64Value cpc_bid_micros = 6;
+}
diff --git a/google/ads/googleads/v0/resources/keyword_plan_negative_keyword.proto b/google/ads/googleads/v0/resources/keyword_plan_negative_keyword.proto
new file mode 100644
index 000000000..cbbd65abf
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_plan_negative_keyword.proto
@@ -0,0 +1,52 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/keyword_match_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanNegativeKeywordProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword plan negative keyword resource.
+
+// A Keyword Plan negative keyword.
+message KeywordPlanNegativeKeyword {
+  // The resource name of the Keyword Plan negative keyword.
+  // KeywordPlanNegativeKeyword resource names have the form:
+  //
+  //
+  // `customers/{customer_id}/keywordPlanNegativeKeywords/{kp_negative_keyword_id}`
+  string resource_name = 1;
+
+  // The Keyword Plan campaign to which this negative keyword belongs.
+  google.protobuf.StringValue keyword_plan_campaign = 2;
+
+  // The ID of the Keyword Plan negative keyword.
+  google.protobuf.Int64Value id = 3;
+
+  // The keyword text.
+  google.protobuf.StringValue text = 4;
+
+  // The keyword match type.
+  google.ads.googleads.v0.enums.KeywordMatchTypeEnum.KeywordMatchType match_type = 5;
+}
diff --git a/google/ads/googleads/v0/resources/keyword_view.proto b/google/ads/googleads/v0/resources/keyword_view.proto
new file mode 100644
index 000000000..47f3647fe
--- /dev/null
+++ b/google/ads/googleads/v0/resources/keyword_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the keyword view resource.
+
+// A keyword view.
+message KeywordView {
+  // The resource name of the keyword view.
+  // Keyword view resource names have the form:
+  //
+  // `customers/{customer_id}/keywordViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/language_constant.proto b/google/ads/googleads/v0/resources/language_constant.proto
new file mode 100644
index 000000000..40dfa9afe
--- /dev/null
+++ b/google/ads/googleads/v0/resources/language_constant.proto
@@ -0,0 +1,48 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "LanguageConstantProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the language constant resource.
+
+// A language.
+message LanguageConstant {
+  // The resource name of the language constant.
+  // Language constant resource names have the form:
+  //
+  // `languageConstants/{criterion_id}`
+  string resource_name = 1;
+
+  // The ID of the language constant.
+  google.protobuf.Int64Value id = 2;
+
+  // The language code, e.g. "en_US", "en_AU", "es", "fr", etc.
+  google.protobuf.StringValue code = 3;
+
+  // The full name of the language in English, e.g., "English (US)", "Spanish",
+  // etc.
+  google.protobuf.StringValue name = 4;
+}
diff --git a/google/ads/googleads/v0/resources/managed_placement_view.proto b/google/ads/googleads/v0/resources/managed_placement_view.proto
new file mode 100644
index 000000000..8af393844
--- /dev/null
+++ b/google/ads/googleads/v0/resources/managed_placement_view.proto
@@ -0,0 +1,37 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "ManagedPlacementViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Managed Placement view resource.
+
+// A managed placement view.
+message ManagedPlacementView {
+  // The resource name of the Managed Placement view.
+  // Managed placement view resource names have the form:
+  //
+  //
+  // `customers/{customer_id}/managedPlacementViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/media_file.proto b/google/ads/googleads/v0/resources/media_file.proto
new file mode 100644
index 000000000..265e26dae
--- /dev/null
+++ b/google/ads/googleads/v0/resources/media_file.proto
@@ -0,0 +1,81 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/media_type.proto";
+import "google/ads/googleads/v0/enums/mime_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "MediaFileProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the media file resource.
+
+// A media file.
+message MediaFile {
+  // The resource name of the media file.
+  // Media file resource names have the form:
+  //
+  // `customers/{customer_id}/mediaFiles/{media_file_id}`
+  string resource_name = 1;
+
+  // The ID of the media file.
+  google.protobuf.Int64Value id = 2;
+
+  // Type of the media file.
+  google.ads.googleads.v0.enums.MediaTypeEnum.MediaType type = 5;
+
+  // The mime type of the media file.
+  google.ads.googleads.v0.enums.MimeTypeEnum.MimeType mime_type = 6;
+
+  // The URL of where the original media file was downloaded from (or a file
+  // name).
+  google.protobuf.StringValue source_url = 7;
+
+  // The name of the media file. The name can be used by clients to help
+  // identify previously uploaded media.
+  google.protobuf.StringValue name = 8;
+
+  // The size of the media file in bytes.
+  google.protobuf.Int64Value file_size = 9;
+
+  // The specific type of the media file.
+  oneof mediatype {
+    // Encapsulates an Image.
+    MediaImage image = 3;
+
+    // A ZIP archive media the content of which contains HTML5 assets.
+    MediaBundle media_bundle = 4;
+  }
+}
+
+// Encapsulates an Image.
+message MediaImage {
+  // Raw image data.
+  google.protobuf.BytesValue data = 1;
+}
+
+// Represents a ZIP archive media the content of which contains HTML5 assets.
+message MediaBundle {
+  // Raw zipped data.
+  google.protobuf.BytesValue data = 1;
+}
diff --git a/google/ads/googleads/v0/resources/parental_status_view.proto b/google/ads/googleads/v0/resources/parental_status_view.proto
new file mode 100644
index 000000000..fdfe9c825
--- /dev/null
+++ b/google/ads/googleads/v0/resources/parental_status_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "ParentalStatusViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the parental status view resource.
+
+// A parental status view.
+message ParentalStatusView {
+  // The resource name of the parental status view.
+  // Parental Status view resource names have the form:
+  //
+  // `customers/{customer_id}/parentalStatusViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/payments_account.proto b/google/ads/googleads/v0/resources/payments_account.proto
new file mode 100644
index 000000000..2297ee50c
--- /dev/null
+++ b/google/ads/googleads/v0/resources/payments_account.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "PaymentsAccountProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the PaymentsAccount resource.
+
+// A Payments account, which can be used to set up billing for an Ads customer.
+message PaymentsAccount {
+  // The resource name of the Payments account.
+  // PaymentsAccount resource names have the form:
+  //
+  // `customers/{customer_id}/paymentsAccounts/
+  //                               {payments_profile_id}_{payments_account_id}`
+  string resource_name = 1;
+
+  // A 16 digit ID used to identify a Payments account.
+  google.protobuf.StringValue payments_account_id = 2;
+
+  // The name of the Payments account.
+  google.protobuf.StringValue name = 3;
+
+  // The currency code of the Payments account.
+  // A subset of the currency codes derived from the ISO 4217 standard is
+  // supported.
+  google.protobuf.StringValue currency_code = 4;
+
+  // A 12 digit ID used to identify the Payments profile associated with the
+  // Payments account.
+  google.protobuf.StringValue payments_profile_id = 5;
+
+  // A secondary Payments profile ID present in uncommon situations, e.g.
+  // when a sequential liability agreement has been arranged.
+  google.protobuf.StringValue secondary_payments_profile_id = 6;
+}
diff --git a/google/ads/googleads/v0/resources/product_group_view.proto b/google/ads/googleads/v0/resources/product_group_view.proto
new file mode 100644
index 000000000..9a835583b
--- /dev/null
+++ b/google/ads/googleads/v0/resources/product_group_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "ProductGroupViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the ProductGroup View resource.
+
+// A product group view.
+message ProductGroupView {
+  // The resource name of the product group view.
+  // Product group view resource names have the form:
+  //
+  // `customers/{customer_id}/productGroupViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/recommendation.proto b/google/ads/googleads/v0/resources/recommendation.proto
new file mode 100644
index 000000000..f7f29dd73
--- /dev/null
+++ b/google/ads/googleads/v0/resources/recommendation.proto
@@ -0,0 +1,236 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/ads/googleads/v0/enums/recommendation_type.proto";
+import "google/ads/googleads/v0/enums/target_cpa_opt_in_recommendation_goal.proto";
+import "google/ads/googleads/v0/resources/ad.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "RecommendationProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Recommendation resource.
+
+// A recommendation.
+message Recommendation {
+  // The impact of making the change as described in the recommendation.
+  // Some types of recommendations may not have impact information.
+  message RecommendationImpact {
+    // Base metrics at the time the recommendation was generated.
+    RecommendationMetrics base_metrics = 1;
+
+    // Estimated metrics if the recommendation is applied.
+    RecommendationMetrics potential_metrics = 2;
+  }
+
+  // Weekly account performance metrics. For some recommendation types, these
+  // are averaged over the past 90-day period and hence can be fractional.
+  message RecommendationMetrics {
+    // Number of ad impressions.
+    google.protobuf.DoubleValue impressions = 1;
+
+    // Number of ad clicks.
+    google.protobuf.DoubleValue clicks = 2;
+
+    // Cost (in micros) for advertising, in the local currency for the account.
+    google.protobuf.Int64Value cost_micros = 3;
+
+    // Number of conversions.
+    google.protobuf.DoubleValue conversions = 4;
+
+    // Number of video views for a video ad campaign.
+    google.protobuf.DoubleValue video_views = 5;
+  }
+
+  // The budget recommendation for budget constrained campaigns.
+  message CampaignBudgetRecommendation {
+    // The impact estimates for a given budget amount.
+    message CampaignBudgetRecommendationOption {
+      // The budget amount for this option.
+      google.protobuf.Int64Value budget_amount_micros = 1;
+
+      // The impact estimate if budget is changed to amount specified in this
+      // option.
+      RecommendationImpact impact = 2;
+    }
+
+    // The current budget amount in micros.
+    google.protobuf.Int64Value current_budget_amount_micros = 1;
+
+    // The recommended budget amount in micros.
+    google.protobuf.Int64Value recommended_budget_amount_micros = 2;
+
+    // The budget amounts and associated impact estimates for some values of
+    // possible budget amounts.
+    repeated CampaignBudgetRecommendationOption budget_options = 3;
+  }
+
+  // The keyword recommendation.
+  message KeywordRecommendation {
+    // The recommended keyword.
+    google.ads.googleads.v0.common.KeywordInfo keyword = 1;
+
+    // The recommended CPC (cost-per-click) bid.
+    google.protobuf.Int64Value recommended_cpc_bid_micros = 2;
+  }
+
+  // The text ad recommendation.
+  message TextAdRecommendation {
+    // Recommended ad.
+    Ad ad = 1;
+
+    // Creation date of the recommended ad.
+    // YYYY-MM-DD format, e.g., 2018-04-17.
+    google.protobuf.StringValue creation_date = 2;
+
+    // Date, if present, is the earliest when the recommendation will be auto
+    // applied.
+    // YYYY-MM-DD format, e.g., 2018-04-17.
+    google.protobuf.StringValue auto_apply_date = 3;
+  }
+
+  // The Target CPA opt-in recommendation.
+  message TargetCpaOptInRecommendation {
+    // The Target CPA opt-in option with impact estimate.
+    message TargetCpaOptInRecommendationOption {
+      // The goal achieved by this option.
+      google.ads.googleads.v0.enums.TargetCpaOptInRecommendationGoalEnum.TargetCpaOptInRecommendationGoal goal = 1;
+
+      // Average CPA target.
+      google.protobuf.Int64Value target_cpa_micros = 2;
+
+      // The minimum campaign budget, in local currency for the account,
+      // required to achieve the target CPA.
+      // Amount is specified in micros, where one million is equivalent to one
+      // currency unit.
+      google.protobuf.Int64Value required_campaign_budget_amount_micros = 3;
+
+      // The impact estimate if this option is selected.
+      RecommendationImpact impact = 4;
+    }
+
+    // The available goals and corresponding options for Target CPA strategy.
+    repeated TargetCpaOptInRecommendationOption options = 1;
+
+    // The recommended average CPA target. See required budget amount and impact
+    // of using this recommendation in options list.
+    google.protobuf.Int64Value recommended_target_cpa_micros = 2;
+  }
+
+  // The Maximize Conversions Opt-In recommendation.
+  message MaximizeConversionsOptInRecommendation {
+    // The recommended new budget amount.
+    google.protobuf.Int64Value recommended_budget_amount_micros = 1;
+  }
+
+  // The Enhanced Cost-Per-Click Opt-In recommendation.
+  message EnhancedCpcOptInRecommendation {
+
+  }
+
+  // The Search Partners Opt-In recommendation.
+  message SearchPartnersOptInRecommendation {
+
+  }
+
+  // The Maximize Clicks opt-in recommendation.
+  message MaximizeClicksOptInRecommendation {
+    // The recommended new budget amount.
+    // Only set if the current budget is too high.
+    google.protobuf.Int64Value recommended_budget_amount_micros = 1;
+  }
+
+  // The Optimize Ad Rotation recommendation.
+  message OptimizeAdRotationRecommendation {
+
+  }
+
+  // The resource name of the recommendation.
+  //
+  // `customers/{customer_id}/recommendations/{recommendation_id}`
+  string resource_name = 1;
+
+  // The type of recommendation.
+  google.ads.googleads.v0.enums.RecommendationTypeEnum.RecommendationType type = 2;
+
+  // The impact on account performance as a result of applying the
+  // recommendation.
+  RecommendationImpact impact = 3;
+
+  // The budget targeted by this recommendation. This will be set only when
+  // the recommendation affects a single campaign budget.
+  //
+  // This field will be set for the following recommendation types:
+  // CAMPAIGN_BUDGET
+  google.protobuf.StringValue campaign_budget = 5;
+
+  // The campaign targeted by this recommendation. This will be set only when
+  // the recommendation affects a single campaign.
+  //
+  // This field will be set for the following recommendation types:
+  // ENHANCED_CPC_OPT_IN, KEYWORD, MAXIMIZE_CLICKS_OPT_IN,
+  // MAXIMIZE_CONVERSIONS_OPT_IN, OPTIMIZE_AD_ROTATION, SEARCH_PARTNERS_OPT_IN,
+  // TARGET_CPA_OPT_IN, TEXT_AD
+  google.protobuf.StringValue campaign = 6;
+
+  // The ad group targeted by this recommendation. This will be set only when
+  // the recommendation affects a single ad group.
+  //
+  // This field will be set for the following recommendation types:
+  // KEYWORD, OPTIMIZE_AD_ROTATION, TEXT_AD
+  google.protobuf.StringValue ad_group = 7;
+
+  // Whether the recommendation is dismissed or not.
+  google.protobuf.BoolValue dismissed = 13;
+
+  // The details of recommendation.
+  oneof recommendation {
+    // The campaign budget recommendation.
+    CampaignBudgetRecommendation campaign_budget_recommendation = 4;
+
+    // The keyword recommendation.
+    KeywordRecommendation keyword_recommendation = 8;
+
+    // Add expanded text ad recommendation.
+    TextAdRecommendation text_ad_recommendation = 9;
+
+    // The TargetCPA opt-in recommendation.
+    TargetCpaOptInRecommendation target_cpa_opt_in_recommendation = 10;
+
+    // The MaximizeConversions Opt-In recommendation.
+    MaximizeConversionsOptInRecommendation maximize_conversions_opt_in_recommendation = 11;
+
+    // The Enhanced Cost-Per-Click Opt-In recommendation.
+    EnhancedCpcOptInRecommendation enhanced_cpc_opt_in_recommendation = 12;
+
+    // The Search Partners Opt-In recommendation.
+    SearchPartnersOptInRecommendation search_partners_opt_in_recommendation = 14;
+
+    // The MaximizeClicks Opt-In recommendation.
+    MaximizeClicksOptInRecommendation maximize_clicks_opt_in_recommendation = 15;
+
+    // The Optimize Ad Rotation recommendation.
+    OptimizeAdRotationRecommendation optimize_ad_rotation_recommendation = 16;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/search_term_view.proto b/google/ads/googleads/v0/resources/search_term_view.proto
new file mode 100644
index 000000000..7973b3f08
--- /dev/null
+++ b/google/ads/googleads/v0/resources/search_term_view.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/search_term_targeting_status.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "SearchTermViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the SearchTermView resource.
+
+// A search term view with metrics aggregated by search term at the ad group
+// level.
+message SearchTermView {
+  // The resource name of the search term view.
+  // Search term view resource names have the form:
+  //
+  // `customers/{customer_id}/searchTermViews/{campaign_id}_{ad_group_id}_
+  // {URL-base64 search term}`
+  string resource_name = 1;
+
+  // The search term.
+  google.protobuf.StringValue search_term = 2;
+
+  // The ad group the search term served in.
+  google.protobuf.StringValue ad_group = 3;
+
+  // Indicates whether the search term is currently one of your
+  // targeted or excluded keywords.
+  google.ads.googleads.v0.enums.SearchTermTargetingStatusEnum.SearchTermTargetingStatus status = 4;
+}
diff --git a/google/ads/googleads/v0/resources/shared_criterion.proto b/google/ads/googleads/v0/resources/shared_criterion.proto
new file mode 100644
index 000000000..7d7aafc59
--- /dev/null
+++ b/google/ads/googleads/v0/resources/shared_criterion.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criteria.proto";
+import "google/ads/googleads/v0/enums/criterion_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "SharedCriterionProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the SharedCriterion resource.
+
+// A criterion belonging to a shared set.
+message SharedCriterion {
+  // The resource name of the shared criterion.
+  // Shared set resource names have the form:
+  //
+  // `customers/{customer_id}/sharedCriteria/{shared_set_id}_{criterion_id}`
+  string resource_name = 1;
+
+  // The shared set to which the shared criterion belongs.
+  google.protobuf.StringValue shared_set = 2;
+
+  // The ID of the criterion.
+  //
+  // This field is ignored for mutates.
+  google.protobuf.Int64Value criterion_id = 26;
+
+  // The type of the criterion.
+  google.ads.googleads.v0.enums.CriterionTypeEnum.CriterionType type = 4;
+
+  // The criterion.
+  //
+  // Exactly one must be set.
+  oneof criterion {
+    // Keyword.
+    google.ads.googleads.v0.common.KeywordInfo keyword = 3;
+
+    // YouTube Video.
+    google.ads.googleads.v0.common.YouTubeVideoInfo youtube_video = 5;
+
+    // YouTube Channel.
+    google.ads.googleads.v0.common.YouTubeChannelInfo youtube_channel = 6;
+
+    // Placement.
+    google.ads.googleads.v0.common.PlacementInfo placement = 7;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/shared_set.proto b/google/ads/googleads/v0/resources/shared_set.proto
new file mode 100644
index 000000000..2e52cc02f
--- /dev/null
+++ b/google/ads/googleads/v0/resources/shared_set.proto
@@ -0,0 +1,64 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/enums/shared_set_status.proto";
+import "google/ads/googleads/v0/enums/shared_set_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "SharedSetProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the SharedSet resource.
+
+// SharedSets are used for sharing criterion exclusions across multiple
+// campaigns.
+message SharedSet {
+  // The resource name of the shared set.
+  // Shared set resource names have the form:
+  //
+  // `customers/{customer_id}/sharedSets/{shared_set_id}`
+  string resource_name = 1;
+
+  // The ID of this shared set. Read only.
+  google.protobuf.Int64Value id = 2;
+
+  // The type of this shared set: each shared set holds only a single kind
+  // of entity. Required. Immutable.
+  google.ads.googleads.v0.enums.SharedSetTypeEnum.SharedSetType type = 3;
+
+  // The name of this shared set. Required.
+  // Shared Sets must have names that are unique among active shared sets of
+  // the same type.
+  // The length of this string should be between 1 and 255 UTF-8 bytes,
+  // inclusive.
+  google.protobuf.StringValue name = 4;
+
+  // The status of this shared set. Read only.
+  google.ads.googleads.v0.enums.SharedSetStatusEnum.SharedSetStatus status = 5;
+
+  // The number of shared criteria within this shared set. Read only.
+  google.protobuf.Int64Value member_count = 6;
+
+  // The number of campaigns associated with this shared set. Read only.
+  google.protobuf.Int64Value reference_count = 7;
+}
diff --git a/google/ads/googleads/v0/resources/topic_constant.proto b/google/ads/googleads/v0/resources/topic_constant.proto
new file mode 100644
index 000000000..5e6da225c
--- /dev/null
+++ b/google/ads/googleads/v0/resources/topic_constant.proto
@@ -0,0 +1,56 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "TopicConstantProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the Topic Constant resource.
+
+// Use topics to target or exclude placements in the Google Display Network
+// based on the category into which the placement falls (for example,
+// "Pets & Animals/Pets/Dogs").
+message TopicConstant {
+  // The resource name of the topic constant.
+  // topic constant resource names have the form:
+  //
+  // `topicConstants/{topic_id}`
+  string resource_name = 1;
+
+  // The ID of the topic.
+  google.protobuf.Int64Value id = 2;
+
+  // Resource name of parent of the topic constant.
+  google.protobuf.StringValue topic_constant_parent = 3;
+
+  // The category to target or exclude. Each subsequent element in the array
+  // describes a more specific sub-category. For example,
+  // {"Pets & Animals", "Pets", "Dogs"} represents the
+  // "Pets & Animals/Pets/Dogs" category. A complete list of available topic
+  // categories is available
+  // <a
+  // href="https://developers.google.com/adwords/api/docs/appendix/verticals">
+  // here</a>
+  repeated google.protobuf.StringValue path = 4;
+}
diff --git a/google/ads/googleads/v0/resources/topic_view.proto b/google/ads/googleads/v0/resources/topic_view.proto
new file mode 100644
index 000000000..fc7461938
--- /dev/null
+++ b/google/ads/googleads/v0/resources/topic_view.proto
@@ -0,0 +1,36 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "TopicViewProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the topic view resource.
+
+// A topic view.
+message TopicView {
+  // The resource name of the topic view.
+  // Topic view resource names have the form:
+  //
+  // `customers/{customer_id}/topicViews/{ad_group_id}_{criterion_id}`
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/resources/user_interest.proto b/google/ads/googleads/v0/resources/user_interest.proto
new file mode 100644
index 000000000..9f5e5188b
--- /dev/null
+++ b/google/ads/googleads/v0/resources/user_interest.proto
@@ -0,0 +1,58 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/criterion_category_availability.proto";
+import "google/ads/googleads/v0/enums/user_interest_taxonomy_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "UserInterestProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the User Interest resource.
+
+// A user interest: a particular interest-based vertical to be targeted.
+message UserInterest {
+  // The resource name of the user interest.
+  // User interest resource names have the form:
+  //
+  // `customers/{customer_id}/userInterests/{user_interest_id}`
+  string resource_name = 1;
+
+  // Taxonomy type of the user interest.
+  google.ads.googleads.v0.enums.UserInterestTaxonomyTypeEnum.UserInterestTaxonomyType taxonomy_type = 2;
+
+  // The ID of the user interest.
+  google.protobuf.Int64Value user_interest_id = 3;
+
+  // The name of the user interest.
+  google.protobuf.StringValue name = 4;
+
+  // The parent of the user interest.
+  google.protobuf.StringValue user_interest_parent = 5;
+
+  // True if the user interest is launched to all channels and locales.
+  google.protobuf.BoolValue launched_to_all = 6;
+
+  // Availability information of the user interest.
+  repeated google.ads.googleads.v0.common.CriterionCategoryAvailability availabilities = 7;
+}
diff --git a/google/ads/googleads/v0/resources/user_list.proto b/google/ads/googleads/v0/resources/user_list.proto
new file mode 100644
index 000000000..83bede6d8
--- /dev/null
+++ b/google/ads/googleads/v0/resources/user_list.proto
@@ -0,0 +1,145 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/ads/googleads/v0/common/user_lists.proto";
+import "google/ads/googleads/v0/enums/access_reason.proto";
+import "google/ads/googleads/v0/enums/user_list_access_status.proto";
+import "google/ads/googleads/v0/enums/user_list_closing_reason.proto";
+import "google/ads/googleads/v0/enums/user_list_membership_status.proto";
+import "google/ads/googleads/v0/enums/user_list_size_range.proto";
+import "google/ads/googleads/v0/enums/user_list_type.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "UserListProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the User List resource.
+
+// A user list. This is a list of users a customer may target.
+message UserList {
+  // The resource name of the user list.
+  // User list resource names have the form:
+  //
+  // `customers/{customer_id}/userLists/{user_list_id}`
+  string resource_name = 1;
+
+  // Id of the user list.
+  google.protobuf.Int64Value id = 2;
+
+  // A flag that indicates if a user may edit a list. Depends on the list
+  // ownership and list type. For example, external remarketing user lists are
+  // not editable.
+  //
+  // This field is read-only.
+  google.protobuf.BoolValue read_only = 3;
+
+  // Name of this user list. Depending on its access_reason, the user list name
+  // may not be unique (e.g. if access_reason=SHARED)
+  google.protobuf.StringValue name = 4;
+
+  // Description of this user list.
+  google.protobuf.StringValue description = 5;
+
+  // Membership status of this user list. Indicates whether a user list is open
+  // or active. Only open user lists can accumulate more users and can be
+  // targeted to.
+  google.ads.googleads.v0.enums.UserListMembershipStatusEnum.UserListMembershipStatus membership_status = 6;
+
+  // An ID from external system. It is used by user list sellers to correlate
+  // IDs on their systems.
+  google.protobuf.StringValue integration_code = 7;
+
+  // Number of days a user's cookie stays on your list since its most recent
+  // addition to the list. This field must be between 0 and 540 inclusive.
+  // However, for CRM based userlists, this field can be set to 10000 which
+  // means no expiration.
+  //
+  // It'll be ignored for logical_user_list.
+  google.protobuf.Int64Value membership_life_span = 8;
+
+  // Estimated number of users in this user list, on the Google Display Network.
+  // This value is null if the number of users has not yet been determined.
+  //
+  // This field is read-only.
+  google.protobuf.Int64Value size_for_display = 9;
+
+  // Size range in terms of number of users of the UserList, on the Google
+  // Display Network.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.UserListSizeRangeEnum.UserListSizeRange size_range_for_display = 10;
+
+  // Estimated number of users in this user list in the google.com domain.
+  // These are the users available for targeting in Search campaigns.
+  // This value is null if the number of users has not yet been determined.
+  //
+  // This field is read-only.
+  google.protobuf.Int64Value size_for_search = 11;
+
+  // Size range in terms of number of users of the UserList, for Search ads.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.UserListSizeRangeEnum.UserListSizeRange size_range_for_search = 12;
+
+  // Type of this list.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.UserListTypeEnum.UserListType type = 13;
+
+  // Indicating the reason why this user list membership status is closed. It is
+  // only populated on lists that were automatically closed due to inactivity,
+  // and will be cleared once the list membership status becomes open.
+  google.ads.googleads.v0.enums.UserListClosingReasonEnum.UserListClosingReason closing_reason = 14;
+
+  // Indicates the reason this account has been granted access to the list.
+  // The reason can be SHARED, OWNED, LICENSED or SUBSCRIBED.
+  //
+  // This field is read-only.
+  google.ads.googleads.v0.enums.AccessReasonEnum.AccessReason access_reason = 15;
+
+  // Indicates if this share is still enabled. When a UserList is shared with
+  // the user this field is set to ENABLED. Later the userList owner can decide
+  // to revoke the share and make it DISABLED.
+  // The default value of this field is set to ENABLED.
+  google.ads.googleads.v0.enums.UserListAccessStatusEnum.UserListAccessStatus account_user_list_status = 16;
+
+  // Indicates if this user list is eligible for Google Search Network.
+  google.protobuf.BoolValue eligible_for_search = 17;
+
+  // Indicates this user list is eligible for Google Display Network.
+  //
+  // This field is read-only.
+  google.protobuf.BoolValue eligible_for_display = 18;
+
+  // The user list.
+  //
+  // Exactly one must be set.
+  oneof user_list {
+    // User list of CRM users provided by the advertiser.
+    google.ads.googleads.v0.common.CrmBasedUserListInfo crm_based_user_list = 19;
+
+    // User list which are similar to users from another UserList.
+    // These lists are readonly and automatically created by google.
+    google.ads.googleads.v0.common.SimilarUserListInfo similar_user_list = 20;
+  }
+}
diff --git a/google/ads/googleads/v0/resources/video.proto b/google/ads/googleads/v0/resources/video.proto
new file mode 100644
index 000000000..3ad93c936
--- /dev/null
+++ b/google/ads/googleads/v0/resources/video.proto
@@ -0,0 +1,50 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.resources;
+
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/resources;resources";
+option java_multiple_files = true;
+option java_outer_classname = "VideoProto";
+option java_package = "com.google.ads.googleads.v0.resources";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
+// Proto file describing the video resource.
+
+// A video.
+message Video {
+  // The resource name of the video.
+  // Video resource names have the form:
+  //
+  // `customers/{customer_id}/videos/{video_id}`
+  string resource_name = 1;
+
+  // The ID of the video.
+  google.protobuf.StringValue id = 2;
+
+  // The owner channel id of the video.
+  google.protobuf.StringValue channel_id = 3;
+
+  // The duration of the video in milliseconds.
+  google.protobuf.Int64Value duration_millis = 4;
+
+  // The title of the video.
+  google.protobuf.StringValue title = 5;
+}
diff --git a/google/ads/googleads/v0/services/account_budget_proposal_service.proto b/google/ads/googleads/v0/services/account_budget_proposal_service.proto
new file mode 100644
index 000000000..c7e1840b7
--- /dev/null
+++ b/google/ads/googleads/v0/services/account_budget_proposal_service.proto
@@ -0,0 +1,120 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/account_budget_proposal.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetProposalServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the AccountBudgetProposal service.
+
+// A service for managing account-level budgets via proposals.
+//
+// A proposal is a request to create a new budget or make changes to an
+// existing one.
+//
+// Reads for account-level budgets managed by these proposals will be
+// supported in a future version.  Please use BudgetOrderService until then:
+// https://developers.google.com/adwords/api/docs/guides/budget-order
+//
+// Mutates:
+// The CREATE operation creates a new proposal.
+// UPDATE operations aren't supported.
+// The REMOVE operation cancels a pending proposal.
+service AccountBudgetProposalService {
+  // Returns an account-level budget proposal in full detail.
+  rpc GetAccountBudgetProposal(GetAccountBudgetProposalRequest) returns (google.ads.googleads.v0.resources.AccountBudgetProposal) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/accountBudgetProposals/*}"
+    };
+  }
+
+  // Creates, updates, or removes account budget proposals.  Operation statuses
+  // are returned.
+  rpc MutateAccountBudgetProposal(MutateAccountBudgetProposalRequest) returns (MutateAccountBudgetProposalResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/accountBudgetProposals:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for
+// [AccountBudgetProposalService.GetAccountBudgetProposal][google.ads.googleads.v0.services.AccountBudgetProposalService.GetAccountBudgetProposal].
+message GetAccountBudgetProposalRequest {
+  // The resource name of the account-level budget proposal to fetch.
+  string resource_name = 1;
+}
+
+// Request message for
+// [AccountBudgetProposalService.MutateAccountBudgetProposal][google.ads.googleads.v0.services.AccountBudgetProposalService.MutateAccountBudgetProposal].
+message MutateAccountBudgetProposalRequest {
+  // The ID of the customer.
+  string customer_id = 1;
+
+  // The operation to perform on an individual account-level budget proposal.
+  AccountBudgetProposalOperation operation = 2;
+}
+
+// A single operation to propose the creation of a new account-level budget or
+// edit/end/remove an existing one.
+message AccountBudgetProposalOperation {
+  // FieldMask that determines which budget fields are modified.  While budgets
+  // may be modified, proposals that propose such modifications are final.
+  // Therefore, update operations are not supported for proposals.
+  //
+  // Proposals that modify budgets have the 'update' proposal type.  Specifying
+  // a mask for any other proposal type is considered an error.
+  google.protobuf.FieldMask update_mask = 3;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: A new proposal to create a new budget, edit an
+    // existing budget, end an actively running budget, or remove an approved
+    // budget scheduled to start in the future.
+    // No resource name is expected for the new proposal.
+    google.ads.googleads.v0.resources.AccountBudgetProposal create = 2;
+
+    // Remove operation: A resource name for the removed proposal is expected,
+    // in this format:
+    //
+    //
+    // `customers/{customer_id}/accountBudgetProposals/{account_budget_proposal_id}`
+    // A request may be cancelled iff it is pending.
+    string remove = 1;
+  }
+}
+
+// Response message for account-level budget mutate operations.
+message MutateAccountBudgetProposalResponse {
+  // The result of the mutate.
+  MutateAccountBudgetProposalResult result = 2;
+}
+
+// The result for the account budget proposal mutate.
+message MutateAccountBudgetProposalResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/account_budget_service.proto b/google/ads/googleads/v0/services/account_budget_service.proto
new file mode 100644
index 000000000..68c11d90f
--- /dev/null
+++ b/google/ads/googleads/v0/services/account_budget_service.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/account_budget.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AccountBudgetServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the AccountBudget service.
+
+// A service for fetching an account-level budget.
+//
+// Account-level budgets are mutated by creating proposal resources.
+service AccountBudgetService {
+  // Returns an account-level budget in full detail.
+  rpc GetAccountBudget(GetAccountBudgetRequest) returns (google.ads.googleads.v0.resources.AccountBudget) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/accountBudgets/*}"
+    };
+  }
+}
+
+// Request message for
+// [AccountBudgetService.GetAccountBudget][google.ads.googleads.v0.services.AccountBudgetService.GetAccountBudget].
+message GetAccountBudgetRequest {
+  // The resource name of the account-level budget to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_ad_service.proto b/google/ads/googleads/v0/services/ad_group_ad_service.proto
new file mode 100644
index 000000000..1ec0da11b
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_ad_service.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/common/policy.proto";
+import "google/ads/googleads/v0/resources/ad_group_ad.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAdServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Ad Group Ad service.
+
+// Service to manage ads in an ad group.
+service AdGroupAdService {
+  // Returns the requested ad in full detail.
+  rpc GetAdGroupAd(GetAdGroupAdRequest) returns (google.ads.googleads.v0.resources.AdGroupAd) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroupAds/*}"
+    };
+  }
+
+  // Creates, updates, or removes ads. Operation statuses are returned.
+  rpc MutateAdGroupAds(MutateAdGroupAdsRequest) returns (MutateAdGroupAdsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/adGroupAds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [AdGroupAdService.GetAdGroupAd][google.ads.googleads.v0.services.AdGroupAdService.GetAdGroupAd].
+message GetAdGroupAdRequest {
+  // The resource name of the ad to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [AdGroupAdService.MutateAdGroupAds][google.ads.googleads.v0.services.AdGroupAdService.MutateAdGroupAds].
+message MutateAdGroupAdsRequest {
+  // The ID of the customer whose ads are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual ads.
+  repeated AdGroupAdOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an ad group ad.
+message AdGroupAdOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // Configuration for how policies are validated.
+  google.ads.googleads.v0.common.PolicyValidationParameter policy_validation_parameter = 5;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new ad.
+    google.ads.googleads.v0.resources.AdGroupAd create = 1;
+
+    // Update operation: The ad is expected to have a valid resource name.
+    google.ads.googleads.v0.resources.AdGroupAd update = 2;
+
+    // Remove operation: A resource name for the removed ad is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/adGroupAds/{ad_group_id}_{ad_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an ad group ad mutate.
+message MutateAdGroupAdsResponse {
+  // All results for the mutate.
+  repeated MutateAdGroupAdResult results = 2;
+}
+
+// The result for the ad mutate.
+message MutateAdGroupAdResult {
+  // The resource name returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_audience_view_service.proto b/google/ads/googleads/v0/services/ad_group_audience_view_service.proto
new file mode 100644
index 000000000..add90c00d
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_audience_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/ad_group_audience_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupAudienceViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the AdGroup Audience View service.
+
+// Service to manage ad group audience views.
+service AdGroupAudienceViewService {
+  // Returns the requested ad group audience view in full detail.
+  rpc GetAdGroupAudienceView(GetAdGroupAudienceViewRequest) returns (google.ads.googleads.v0.resources.AdGroupAudienceView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroupAudienceViews/*}"
+    };
+  }
+}
+
+// Request message for [AdGroupAudienceViewService.GetAdGoupAudienceView][].
+message GetAdGroupAudienceViewRequest {
+  // The resource name of the ad group audience view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_bid_modifier_service.proto b/google/ads/googleads/v0/services/ad_group_bid_modifier_service.proto
new file mode 100644
index 000000000..e885a92e9
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_bid_modifier_service.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/ad_group_bid_modifier.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupBidModifierServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Ad Group Bid Modifier service.
+
+// Service to manage ad group bid modifiers.
+service AdGroupBidModifierService {
+  // Returns the requested ad group bid modifier in full detail.
+  rpc GetAdGroupBidModifier(GetAdGroupBidModifierRequest) returns (google.ads.googleads.v0.resources.AdGroupBidModifier) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroupBidModifiers/*}"
+    };
+  }
+
+  // Creates, updates, or removes ad group bid modifiers.
+  // Operation statuses are returned.
+  rpc MutateAdGroupBidModifiers(MutateAdGroupBidModifiersRequest) returns (MutateAdGroupBidModifiersResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/adGroupBidModifiers:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [AdGroupBidModifierService.GetAdGroupBidModifier][google.ads.googleads.v0.services.AdGroupBidModifierService.GetAdGroupBidModifier].
+message GetAdGroupBidModifierRequest {
+  // The resource name of the ad group bid modifier to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [AdGroupBidModifierService.MutateAdGroupBidModifiers][google.ads.googleads.v0.services.AdGroupBidModifierService.MutateAdGroupBidModifiers].
+message MutateAdGroupBidModifiersRequest {
+  // ID of the customer whose ad group bid modifiers are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual ad group bid modifiers.
+  repeated AdGroupBidModifierOperation operations = 2;
+}
+
+// A single operation (create, remove, update) on an ad group bid modifier.
+message AdGroupBidModifierOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new ad group bid
+    // modifier.
+    google.ads.googleads.v0.resources.AdGroupBidModifier create = 1;
+
+    // Update operation: The ad group bid modifier is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.AdGroupBidModifier update = 2;
+
+    // Remove operation: A resource name for the removed ad group bid modifier
+    // is expected, in this format:
+    //
+    //
+    // `customers/{customer_id}/adGroupBidModifiers/{ad_group_id}_{criterion_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for ad group bid modifiers mutate.
+message MutateAdGroupBidModifiersResponse {
+  // All results for the mutate.
+  repeated MutateAdGroupBidModifierResult results = 2;
+}
+
+// The result for the criterion mutate.
+message MutateAdGroupBidModifierResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_criterion_service.proto b/google/ads/googleads/v0/services/ad_group_criterion_service.proto
new file mode 100644
index 000000000..2d62df7c1
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_criterion_service.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/ad_group_criterion.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupCriterionServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Ad Group Criterion service.
+
+// Service to manage ad group criteria.
+service AdGroupCriterionService {
+  // Returns the requested criterion in full detail.
+  rpc GetAdGroupCriterion(GetAdGroupCriterionRequest) returns (google.ads.googleads.v0.resources.AdGroupCriterion) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroupCriteria/*}"
+    };
+  }
+
+  // Creates, updates, or removes criteria. Operation statuses are returned.
+  rpc MutateAdGroupCriteria(MutateAdGroupCriteriaRequest) returns (MutateAdGroupCriteriaResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/adGroupCriteria:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [AdGroupCriterionService.GetAdGroupCriterion][google.ads.googleads.v0.services.AdGroupCriterionService.GetAdGroupCriterion].
+message GetAdGroupCriterionRequest {
+  // The resource name of the criterion to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [AdGroupCriterionService.MutateAdGroupCriteria][google.ads.googleads.v0.services.AdGroupCriterionService.MutateAdGroupCriteria].
+message MutateAdGroupCriteriaRequest {
+  // ID of the customer whose criteria are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual criteria.
+  repeated AdGroupCriterionOperation operations = 2;
+}
+
+// A single operation (create, remove, update) on an ad group criterion.
+message AdGroupCriterionOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new criterion.
+    google.ads.googleads.v0.resources.AdGroupCriterion create = 1;
+
+    // Update operation: The criterion is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.AdGroupCriterion update = 2;
+
+    // Remove operation: A resource name for the removed criterion is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/adGroupCriteria/{ad_group_id}_{criterion_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an ad group criterion mutate.
+message MutateAdGroupCriteriaResponse {
+  // All results for the mutate.
+  repeated MutateAdGroupCriterionResult results = 2;
+}
+
+// The result for the criterion mutate.
+message MutateAdGroupCriterionResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_feed_service.proto b/google/ads/googleads/v0/services/ad_group_feed_service.proto
new file mode 100644
index 000000000..5161d43ef
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_feed_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/ad_group_feed.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupFeedServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the AdGroupFeed service.
+
+// Service to manage ad group feeds.
+service AdGroupFeedService {
+  // Returns the requested ad group feed in full detail.
+  rpc GetAdGroupFeed(GetAdGroupFeedRequest) returns (google.ads.googleads.v0.resources.AdGroupFeed) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroupFeeds/*}"
+    };
+  }
+
+  // Creates, updates, or removes ad group feeds. Operation statuses are
+  // returned.
+  rpc MutateAdGroupFeeds(MutateAdGroupFeedsRequest) returns (MutateAdGroupFeedsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/adGroupFeeds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [AdGroupFeedService.GetAdGroupFeed][google.ads.googleads.v0.services.AdGroupFeedService.GetAdGroupFeed].
+message GetAdGroupFeedRequest {
+  // The resource name of the ad group feed to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [AdGroupFeedService.MutateAdGroupFeeds][google.ads.googleads.v0.services.AdGroupFeedService.MutateAdGroupFeeds].
+message MutateAdGroupFeedsRequest {
+  // The ID of the customer whose ad group feeds are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual ad group feeds.
+  repeated AdGroupFeedOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an ad group feed.
+message AdGroupFeedOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new ad group feed.
+    google.ads.googleads.v0.resources.AdGroupFeed create = 1;
+
+    // Update operation: The ad group feed is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.AdGroupFeed update = 2;
+
+    // Remove operation: A resource name for the removed ad group feed is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/adGroupFeeds/{ad_group_id}_{feed_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an ad group feed mutate.
+message MutateAdGroupFeedsResponse {
+  // All results for the mutate.
+  repeated MutateAdGroupFeedResult results = 2;
+}
+
+// The result for the ad group feed mutate.
+message MutateAdGroupFeedResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/ad_group_service.proto b/google/ads/googleads/v0/services/ad_group_service.proto
new file mode 100644
index 000000000..683c69755
--- /dev/null
+++ b/google/ads/googleads/v0/services/ad_group_service.proto
@@ -0,0 +1,97 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/ad_group.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AdGroupServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Ad Group service.
+
+// Service to manage ad groups.
+service AdGroupService {
+  // Returns the requested ad group in full detail.
+  rpc GetAdGroup(GetAdGroupRequest) returns (google.ads.googleads.v0.resources.AdGroup) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/adGroups/*}"
+    };
+  }
+
+  // Creates, updates, or removes ad groups. Operation statuses are returned.
+  rpc MutateAdGroups(MutateAdGroupsRequest) returns (MutateAdGroupsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/adGroups:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [AdGroupService.GetAdGroup][google.ads.googleads.v0.services.AdGroupService.GetAdGroup].
+message GetAdGroupRequest {
+  // The resource name of the ad group to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [AdGroupService.MutateAdGroups][google.ads.googleads.v0.services.AdGroupService.MutateAdGroups].
+message MutateAdGroupsRequest {
+  // The ID of the customer whose ad groups are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual ad groups.
+  repeated AdGroupOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an ad group.
+message AdGroupOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new ad group.
+    google.ads.googleads.v0.resources.AdGroup create = 1;
+
+    // Update operation: The ad group is expected to have a valid resource name.
+    google.ads.googleads.v0.resources.AdGroup update = 2;
+
+    // Remove operation: A resource name for the removed ad group is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/adGroups/{ad_group_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an ad group mutate.
+message MutateAdGroupsResponse {
+  // All results for the mutate.
+  repeated MutateAdGroupResult results = 2;
+}
+
+// The result for the ad group mutate.
+message MutateAdGroupResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/age_range_view_service.proto b/google/ads/googleads/v0/services/age_range_view_service.proto
new file mode 100644
index 000000000..83f59e98d
--- /dev/null
+++ b/google/ads/googleads/v0/services/age_range_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/age_range_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "AgeRangeViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Age Range View service.
+
+// Service to manage age range views.
+service AgeRangeViewService {
+  // Returns the requested age range view in full detail.
+  rpc GetAgeRangeView(GetAgeRangeViewRequest) returns (google.ads.googleads.v0.resources.AgeRangeView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/ageRangeViews/*}"
+    };
+  }
+}
+
+// Request message for [AgeRangeViewService.GetAgeRangeView][google.ads.googleads.v0.services.AgeRangeViewService.GetAgeRangeView].
+message GetAgeRangeViewRequest {
+  // The resource name of the age range view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/bidding_strategy_service.proto b/google/ads/googleads/v0/services/bidding_strategy_service.proto
new file mode 100644
index 000000000..89abf84d8
--- /dev/null
+++ b/google/ads/googleads/v0/services/bidding_strategy_service.proto
@@ -0,0 +1,100 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/bidding_strategy.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "BiddingStrategyServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Bidding Strategy service.
+
+// Service to manage bidding strategies.
+service BiddingStrategyService {
+  // Returns the requested bidding strategy in full detail.
+  rpc GetBiddingStrategy(GetBiddingStrategyRequest) returns (google.ads.googleads.v0.resources.BiddingStrategy) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/biddingStrategies/*}"
+    };
+  }
+
+  // Creates, updates, or removes bidding strategies. Operation statuses are
+  // returned.
+  rpc MutateBiddingStrategies(MutateBiddingStrategiesRequest) returns (MutateBiddingStrategiesResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/biddingStrategies:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [BiddingStrategyService.GetBiddingStrategy][google.ads.googleads.v0.services.BiddingStrategyService.GetBiddingStrategy].
+message GetBiddingStrategyRequest {
+  // The resource name of the bidding strategy to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [BiddingStrategyService.MutateBiddingStrategies][google.ads.googleads.v0.services.BiddingStrategyService.MutateBiddingStrategies].
+message MutateBiddingStrategiesRequest {
+  // The ID of the customer whose bidding strategies are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual bidding strategies.
+  repeated BiddingStrategyOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a bidding strategy.
+message BiddingStrategyOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new bidding
+    // strategy.
+    google.ads.googleads.v0.resources.BiddingStrategy create = 1;
+
+    // Update operation: The bidding strategy is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.BiddingStrategy update = 2;
+
+    // Remove operation: A resource name for the removed bidding strategy is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/biddingStrategies/{bidding_strategy_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for bidding strategy mutate.
+message MutateBiddingStrategiesResponse {
+  // All results for the mutate.
+  repeated MutateBiddingStrategyResult results = 2;
+}
+
+// The result for the bidding strategy mutate.
+message MutateBiddingStrategyResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/billing_setup_service.proto b/google/ads/googleads/v0/services/billing_setup_service.proto
new file mode 100644
index 000000000..1cc414686
--- /dev/null
+++ b/google/ads/googleads/v0/services/billing_setup_service.proto
@@ -0,0 +1,102 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/billing_setup.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "BillingSetupServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the BillingSetup service.
+
+// A service for designating the business entity responsible for accrued costs.
+//
+// A billing setup is associated with a Payments account.  Billing-related
+// activity for all billing setups associated with a particular Payments account
+// will appear on a single invoice generated monthly.
+//
+// Mutates:
+// The REMOVE operation cancels a pending billing setup.
+// The CREATE operation creates a new billing setup.
+service BillingSetupService {
+  // Returns a billing setup.
+  rpc GetBillingSetup(GetBillingSetupRequest) returns (google.ads.googleads.v0.resources.BillingSetup) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/billingSetups/*}"
+    };
+  }
+
+  // Creates a billing setup, or cancels an existing billing setup.
+  rpc MutateBillingSetup(MutateBillingSetupRequest) returns (MutateBillingSetupResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/billingSetups:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for
+// [BillingSetupService.GetBillingSetup][google.ads.googleads.v0.services.BillingSetupService.GetBillingSetup].
+message GetBillingSetupRequest {
+  // The resource name of the billing setup to fetch.
+  string resource_name = 1;
+}
+
+// Request message for billing setup mutate operations.
+message MutateBillingSetupRequest {
+  // Id of the customer to apply the billing setup mutate operation to.
+  string customer_id = 1;
+
+  // The operation to perform.
+  BillingSetupOperation operation = 2;
+}
+
+// A single operation on a billing setup, which describes the cancellation of an
+// existing billing setup.
+message BillingSetupOperation {
+  // Only one of these operations can be set. "Update" operations are not
+  // supported.
+  oneof operation {
+    // Creates a billing setup. No resource name is expected for the new billing
+    // setup.
+    google.ads.googleads.v0.resources.BillingSetup create = 2;
+
+    // Resource name of the billing setup to remove. A setup cannot be
+    // removed unless it is in a pending state or its scheduled start time is in
+    // the future. The resource name looks like
+    // `customers/{customer_id}/billingSetups/{billing_id}`.
+    string remove = 1;
+  }
+}
+
+// Response message for a billing setup operation.
+message MutateBillingSetupResponse {
+  // A result that identifies the resource affected by the mutate request.
+  MutateBillingSetupResult result = 1;
+}
+
+// Result for a single billing setup mutate.
+message MutateBillingSetupResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_audience_view_service.proto b/google/ads/googleads/v0/services/campaign_audience_view_service.proto
new file mode 100644
index 000000000..e2baf837e
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_audience_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_audience_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignAudienceViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign Audience View service.
+
+// Service to manage campaign audience views.
+service CampaignAudienceViewService {
+  // Returns the requested campaign audience view in full detail.
+  rpc GetCampaignAudienceView(GetCampaignAudienceViewRequest) returns (google.ads.googleads.v0.resources.CampaignAudienceView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignAudienceViews/*}"
+    };
+  }
+}
+
+// Request message for [CampaignAudienceViewService.GetCampaignAudienceView][google.ads.googleads.v0.services.CampaignAudienceViewService.GetCampaignAudienceView].
+message GetCampaignAudienceViewRequest {
+  // The resource name of the campaign audience view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_bid_modifier_service.proto b/google/ads/googleads/v0/services/campaign_bid_modifier_service.proto
new file mode 100644
index 000000000..411ee3f15
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_bid_modifier_service.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_bid_modifier.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignBidModifierServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign Bid Modifier service.
+
+// Service to manage campaign bid modifiers.
+service CampaignBidModifierService {
+  // Returns the requested campaign bid modifier in full detail.
+  rpc GetCampaignBidModifier(GetCampaignBidModifierRequest) returns (google.ads.googleads.v0.resources.CampaignBidModifier) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignBidModifiers/*}"
+    };
+  }
+
+  // Creates, updates, or removes campaign bid modifiers.
+  // Operation statuses are returned.
+  rpc MutateCampaignBidModifiers(MutateCampaignBidModifiersRequest) returns (MutateCampaignBidModifiersResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignBidModifiers:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignBidModifierService.GetCampaignBidModifier][google.ads.googleads.v0.services.CampaignBidModifierService.GetCampaignBidModifier].
+message GetCampaignBidModifierRequest {
+  // The resource name of the campaign bid modifier to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignBidModifierService.MutateCampaignBidModifier][].
+message MutateCampaignBidModifiersRequest {
+  // ID of the customer whose campaign bid modifiers are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaign bid modifiers.
+  repeated CampaignBidModifierOperation operations = 2;
+}
+
+// A single operation (create, remove, update) on a campaign bid modifier.
+message CampaignBidModifierOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new campaign bid
+    // modifier.
+    google.ads.googleads.v0.resources.CampaignBidModifier create = 1;
+
+    // Update operation: The campaign bid modifier is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.CampaignBidModifier update = 2;
+
+    // Remove operation: A resource name for the removed campaign bid modifier
+    // is expected, in this format:
+    //
+    //
+    // `customers/{customer_id}/CampaignBidModifiers/{campaign_id}_{criterion_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for campaign bid modifiers mutate.
+message MutateCampaignBidModifiersResponse {
+  // All results for the mutate.
+  repeated MutateCampaignBidModifierResult results = 2;
+}
+
+// The result for the criterion mutate.
+message MutateCampaignBidModifierResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_budget_service.proto b/google/ads/googleads/v0/services/campaign_budget_service.proto
new file mode 100644
index 000000000..64248b28a
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_budget_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_budget.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignBudgetServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign Budget service.
+
+// Service to manage campaign budgets.
+service CampaignBudgetService {
+  // Returns the requested Campaign Budget in full detail.
+  rpc GetCampaignBudget(GetCampaignBudgetRequest) returns (google.ads.googleads.v0.resources.CampaignBudget) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignBudgets/*}"
+    };
+  }
+
+  // Creates, updates, or removes campaign budgets. Operation statuses are
+  // returned.
+  rpc MutateCampaignBudgets(MutateCampaignBudgetsRequest) returns (MutateCampaignBudgetsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignBudgets:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignBudgetService.GetCampaignBudget][google.ads.googleads.v0.services.CampaignBudgetService.GetCampaignBudget].
+message GetCampaignBudgetRequest {
+  // The resource name of the campaign budget to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignBudgetService.MutateCampaignBudgets][google.ads.googleads.v0.services.CampaignBudgetService.MutateCampaignBudgets].
+message MutateCampaignBudgetsRequest {
+  // The ID of the customer whose campaign budgets are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaign budgets.
+  repeated CampaignBudgetOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a campaign budget.
+message CampaignBudgetOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new budget.
+    google.ads.googleads.v0.resources.CampaignBudget create = 1;
+
+    // Update operation: The campaign budget is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.CampaignBudget update = 2;
+
+    // Remove operation: A resource name for the removed budget is expected, in
+    // this format:
+    //
+    // `customers/{customer_id}/campaignBudgets/{budget_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for campaign budget mutate.
+message MutateCampaignBudgetsResponse {
+  // All results for the mutate.
+  repeated MutateCampaignBudgetResult results = 2;
+}
+
+// The result for the campaign budget mutate.
+message MutateCampaignBudgetResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_criterion_service.proto b/google/ads/googleads/v0/services/campaign_criterion_service.proto
new file mode 100644
index 000000000..ad6986886
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_criterion_service.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_criterion.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignCriterionServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign Criterion service.
+
+// Service to manage campaign criteria.
+service CampaignCriterionService {
+  // Returns the requested criterion in full detail.
+  rpc GetCampaignCriterion(GetCampaignCriterionRequest) returns (google.ads.googleads.v0.resources.CampaignCriterion) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignCriteria/*}"
+    };
+  }
+
+  // Creates, updates, or removes criteria. Operation statuses are returned.
+  rpc MutateCampaignCriteria(MutateCampaignCriteriaRequest) returns (MutateCampaignCriteriaResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignCriteria:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignCriterionService.GetCampaignCriterion][google.ads.googleads.v0.services.CampaignCriterionService.GetCampaignCriterion].
+message GetCampaignCriterionRequest {
+  // The resource name of the criterion to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignCriterionService.MutateCampaignCriteria][google.ads.googleads.v0.services.CampaignCriterionService.MutateCampaignCriteria].
+message MutateCampaignCriteriaRequest {
+  // The ID of the customer whose criteria are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual criteria.
+  repeated CampaignCriterionOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a campaign criterion.
+message CampaignCriterionOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new criterion.
+    google.ads.googleads.v0.resources.CampaignCriterion create = 1;
+
+    // Update operation: The criterion is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.CampaignCriterion update = 2;
+
+    // Remove operation: A resource name for the removed criterion is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/campaignCriteria/{campaign_id}_{criterion_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for campaign criterion mutate.
+message MutateCampaignCriteriaResponse {
+  // All results for the mutate.
+  repeated MutateCampaignCriterionResult results = 2;
+}
+
+// The result for the criterion mutate.
+message MutateCampaignCriterionResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_feed_service.proto b/google/ads/googleads/v0/services/campaign_feed_service.proto
new file mode 100644
index 000000000..0e4639a89
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_feed_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_feed.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignFeedServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the CampaignFeed service.
+
+// Service to manage campaign feeds.
+service CampaignFeedService {
+  // Returns the requested campaign feed in full detail.
+  rpc GetCampaignFeed(GetCampaignFeedRequest) returns (google.ads.googleads.v0.resources.CampaignFeed) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignFeeds/*}"
+    };
+  }
+
+  // Creates, updates, or removes campaign feeds. Operation statuses are
+  // returned.
+  rpc MutateCampaignFeeds(MutateCampaignFeedsRequest) returns (MutateCampaignFeedsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignFeeds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignFeedService.GetCampaignFeed][google.ads.googleads.v0.services.CampaignFeedService.GetCampaignFeed].
+message GetCampaignFeedRequest {
+  // The resource name of the campaign feed to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignFeedService.MutateCampaignFeeds][google.ads.googleads.v0.services.CampaignFeedService.MutateCampaignFeeds].
+message MutateCampaignFeedsRequest {
+  // The ID of the customer whose campaign feeds are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaign feeds.
+  repeated CampaignFeedOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a campaign feed.
+message CampaignFeedOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new campaign feed.
+    google.ads.googleads.v0.resources.CampaignFeed create = 1;
+
+    // Update operation: The campaign feed is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.CampaignFeed update = 2;
+
+    // Remove operation: A resource name for the removed campaign feed is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/campaignFeeds/{campaign_id}_{feed_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a campaign feed mutate.
+message MutateCampaignFeedsResponse {
+  // All results for the mutate.
+  repeated MutateCampaignFeedResult results = 2;
+}
+
+// The result for the campaign feed mutate.
+message MutateCampaignFeedResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_group_service.proto b/google/ads/googleads/v0/services/campaign_group_service.proto
new file mode 100644
index 000000000..f90b792ac
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_group_service.proto
@@ -0,0 +1,100 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_group.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignGroupServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign group service.
+
+// Service to manage campaign groups.
+service CampaignGroupService {
+  // Returns the requested campaign group in full detail.
+  rpc GetCampaignGroup(GetCampaignGroupRequest) returns (google.ads.googleads.v0.resources.CampaignGroup) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignGroups/*}"
+    };
+  }
+
+  // Creates, updates, or removes campaign groups. Operation statuses are
+  // returned.
+  rpc MutateCampaignGroups(MutateCampaignGroupsRequest) returns (MutateCampaignGroupsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignGroups:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignGroupService.GetCampaignGroup][google.ads.googleads.v0.services.CampaignGroupService.GetCampaignGroup].
+message GetCampaignGroupRequest {
+  // The resource name of the campaign group to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignGroupService.MutateCampaignGroups][google.ads.googleads.v0.services.CampaignGroupService.MutateCampaignGroups].
+message MutateCampaignGroupsRequest {
+  // The ID of the customer whose campaign groups are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaign groups.
+  repeated CampaignGroupOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a campaign group.
+message CampaignGroupOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new campaign
+    // group.
+    google.ads.googleads.v0.resources.CampaignGroup create = 1;
+
+    // Update operation: The campaign group is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.CampaignGroup update = 2;
+
+    // Remove operation: A resource name for the removed campaign group is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/campaignGroups/{campaign_group_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for campaign group mutate.
+message MutateCampaignGroupsResponse {
+  // All results for the mutate.
+  repeated MutateCampaignGroupResult results = 2;
+}
+
+// The result for the campaign group mutate.
+message MutateCampaignGroupResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_service.proto b/google/ads/googleads/v0/services/campaign_service.proto
new file mode 100644
index 000000000..73d216813
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_service.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign service.
+
+// Service to manage campaigns.
+service CampaignService {
+  // Returns the requested campaign in full detail.
+  rpc GetCampaign(GetCampaignRequest) returns (google.ads.googleads.v0.resources.Campaign) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaigns/*}"
+    };
+  }
+
+  // Creates, updates, or removes campaigns. Operation statuses are returned.
+  rpc MutateCampaigns(MutateCampaignsRequest) returns (MutateCampaignsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaigns:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignService.GetCampaign][google.ads.googleads.v0.services.CampaignService.GetCampaign].
+message GetCampaignRequest {
+  // The resource name of the campaign to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignService.MutateCampaigns][google.ads.googleads.v0.services.CampaignService.MutateCampaigns].
+message MutateCampaignsRequest {
+  // The ID of the customer whose campaigns are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaigns.
+  repeated CampaignOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a campaign.
+message CampaignOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new campaign.
+    google.ads.googleads.v0.resources.Campaign create = 1;
+
+    // Update operation: The campaign is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.Campaign update = 2;
+
+    // Remove operation: A resource name for the removed campaign is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/campaigns/{campaign_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for campaign mutate.
+message MutateCampaignsResponse {
+  // All results for the mutate.
+  repeated MutateCampaignResult results = 2;
+}
+
+// The result for the campaign mutate.
+message MutateCampaignResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/campaign_shared_set_service.proto b/google/ads/googleads/v0/services/campaign_shared_set_service.proto
new file mode 100644
index 000000000..1152a2e04
--- /dev/null
+++ b/google/ads/googleads/v0/services/campaign_shared_set_service.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/campaign_shared_set.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CampaignSharedSetServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Campaign Shared Set service.
+
+// Service to manage campaign shared sets.
+service CampaignSharedSetService {
+  // Returns the requested campaign shared set in full detail.
+  rpc GetCampaignSharedSet(GetCampaignSharedSetRequest) returns (google.ads.googleads.v0.resources.CampaignSharedSet) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/campaignSharedSets/*}"
+    };
+  }
+
+  // Creates or removes campaign shared sets. Operation statuses are returned.
+  rpc MutateCampaignSharedSets(MutateCampaignSharedSetsRequest) returns (MutateCampaignSharedSetsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/campaignSharedSets:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CampaignSharedSetService.GetCampaignSharedSet][google.ads.googleads.v0.services.CampaignSharedSetService.GetCampaignSharedSet].
+message GetCampaignSharedSetRequest {
+  // The resource name of the campaign shared set to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CampaignSharedSetService.MutateCampaignSharedSets][google.ads.googleads.v0.services.CampaignSharedSetService.MutateCampaignSharedSets].
+message MutateCampaignSharedSetsRequest {
+  // The ID of the customer whose campaign shared sets are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual campaign shared sets.
+  repeated CampaignSharedSetOperation operations = 2;
+}
+
+// A single operation (create, remove) on an campaign shared set.
+message CampaignSharedSetOperation {
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new campaign
+    // shared set.
+    google.ads.googleads.v0.resources.CampaignSharedSet create = 1;
+
+    // Remove operation: A resource name for the removed campaign shared set is
+    // expected, in this format:
+    //
+    //
+    // `customers/{customer_id}/campaignSharedSets/{campaign_id}_{shared_set_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a campaign shared set mutate.
+message MutateCampaignSharedSetsResponse {
+  // All results for the mutate.
+  repeated MutateCampaignSharedSetResult results = 2;
+}
+
+// The result for the campaign shared set mutate.
+message MutateCampaignSharedSetResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/carrier_constant_service.proto b/google/ads/googleads/v0/services/carrier_constant_service.proto
new file mode 100644
index 000000000..4e6a7bcea
--- /dev/null
+++ b/google/ads/googleads/v0/services/carrier_constant_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/carrier_constant.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CarrierConstantServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the carrier constant service.
+
+// Service to fetch carrier constants.
+service CarrierConstantService {
+  // Returns the requested carrier constant in full detail.
+  rpc GetCarrierConstant(GetCarrierConstantRequest) returns (google.ads.googleads.v0.resources.CarrierConstant) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=carrierConstants/*}"
+    };
+  }
+}
+
+// Request message for [CarrierConstantService.GetCarrierConstant][google.ads.googleads.v0.services.CarrierConstantService.GetCarrierConstant].
+message GetCarrierConstantRequest {
+  // Resource name of the carrier constant to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/change_status_service.proto b/google/ads/googleads/v0/services/change_status_service.proto
new file mode 100644
index 000000000..11ff112c7
--- /dev/null
+++ b/google/ads/googleads/v0/services/change_status_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/change_status.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "ChangeStatusServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Change Status service.
+
+// Service to fetch change statuses.
+service ChangeStatusService {
+  // Returns the requested change status in full detail.
+  rpc GetChangeStatus(GetChangeStatusRequest) returns (google.ads.googleads.v0.resources.ChangeStatus) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/changeStatus/*}"
+    };
+  }
+}
+
+// Request message for '[ChangeStatusService.GetChangeStatus][google.ads.googleads.v0.services.ChangeStatusService.GetChangeStatus]'.
+message GetChangeStatusRequest {
+  // The resource name of the change status to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/conversion_action_service.proto b/google/ads/googleads/v0/services/conversion_action_service.proto
new file mode 100644
index 000000000..44204ae2c
--- /dev/null
+++ b/google/ads/googleads/v0/services/conversion_action_service.proto
@@ -0,0 +1,100 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/conversion_action.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "ConversionActionServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Conversion Action service.
+
+// Service to manage conversion actions.
+service ConversionActionService {
+  // Returns the requested conversion action.
+  rpc GetConversionAction(GetConversionActionRequest) returns (google.ads.googleads.v0.resources.ConversionAction) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/conversionActions/*}"
+    };
+  }
+
+  // Creates, updates or removes conversion actions. Operation statuses are
+  // returned.
+  rpc MutateConversionActions(MutateConversionActionsRequest) returns (MutateConversionActionsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/conversionActions:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [ConversionActionService.GetConversionAction].
+message GetConversionActionRequest {
+  // The resource name of the conversion action to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [ConversionActionService.MutateConversionActions].
+message MutateConversionActionsRequest {
+  // The ID of the customer whose conversion actions are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual conversion actions.
+  repeated ConversionActionOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a conversion action.
+message ConversionActionOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new conversion
+    // action.
+    google.ads.googleads.v0.resources.ConversionAction create = 1;
+
+    // Update operation: The conversion action is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.ConversionAction update = 2;
+
+    // Remove operation: A resource name for the removed conversion action is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/conversionActions/{conversion_action_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for conversion action mutate.
+message MutateConversionActionsResponse {
+  // All results for the mutate.
+  repeated MutateConversionActionResult results = 2;
+}
+
+// The result for the conversion action mutate.
+message MutateConversionActionResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/customer_client_link_service.proto b/google/ads/googleads/v0/services/customer_client_link_service.proto
new file mode 100644
index 000000000..0e437acbf
--- /dev/null
+++ b/google/ads/googleads/v0/services/customer_client_link_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/customer_client_link.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerClientLinkServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+
+
+// Service to manage customer client links.
+service CustomerClientLinkService {
+  // Returns the requested CustomerClientLink in full detail.
+  rpc GetCustomerClientLink(GetCustomerClientLinkRequest) returns (google.ads.googleads.v0.resources.CustomerClientLink) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/customerClientLinks/*}"
+    };
+  }
+}
+
+// Request message for [CustomerClientLinkService.GetCustomerClientLink][google.ads.googleads.v0.services.CustomerClientLinkService.GetCustomerClientLink].
+message GetCustomerClientLinkRequest {
+  // The resource name of the customer client link to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/customer_client_service.proto b/google/ads/googleads/v0/services/customer_client_service.proto
new file mode 100644
index 000000000..5fbb24428
--- /dev/null
+++ b/google/ads/googleads/v0/services/customer_client_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/customer_client.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerClientServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Customer Client service.
+
+// Service to manage customer clients in a manager hierarchy.
+service CustomerClientService {
+  // Returns the requested customer client in full detail.
+  rpc GetCustomerClient(GetCustomerClientRequest) returns (google.ads.googleads.v0.resources.CustomerClient) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/customerClients/*}"
+    };
+  }
+}
+
+// Request message for [CustomerClientService.GetCustomerClient][google.ads.googleads.v0.services.CustomerClientService.GetCustomerClient].
+message GetCustomerClientRequest {
+  // The resource name of the customer client to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/customer_feed_service.proto b/google/ads/googleads/v0/services/customer_feed_service.proto
new file mode 100644
index 000000000..fb161d55e
--- /dev/null
+++ b/google/ads/googleads/v0/services/customer_feed_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/customer_feed.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerFeedServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the CustomerFeed service.
+
+// Service to manage customer feeds.
+service CustomerFeedService {
+  // Returns the requested customer feed in full detail.
+  rpc GetCustomerFeed(GetCustomerFeedRequest) returns (google.ads.googleads.v0.resources.CustomerFeed) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/customerFeeds/*}"
+    };
+  }
+
+  // Creates, updates, or removes customer feeds. Operation statuses are
+  // returned.
+  rpc MutateCustomerFeeds(MutateCustomerFeedsRequest) returns (MutateCustomerFeedsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/customerFeeds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CustomerFeedService.GetCustomerFeed][google.ads.googleads.v0.services.CustomerFeedService.GetCustomerFeed].
+message GetCustomerFeedRequest {
+  // The resource name of the customer feed to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CustomerFeedService.MutateCustomerFeeds][google.ads.googleads.v0.services.CustomerFeedService.MutateCustomerFeeds].
+message MutateCustomerFeedsRequest {
+  // The ID of the customer whose customer feeds are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual customer feeds.
+  repeated CustomerFeedOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a customer feed.
+message CustomerFeedOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new customer feed.
+    google.ads.googleads.v0.resources.CustomerFeed create = 1;
+
+    // Update operation: The customer feed is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.CustomerFeed update = 2;
+
+    // Remove operation: A resource name for the removed customer feed is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/customerFeeds/{feed_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a customer feed mutate.
+message MutateCustomerFeedsResponse {
+  // All results for the mutate.
+  repeated MutateCustomerFeedResult results = 2;
+}
+
+// The result for the customer feed mutate.
+message MutateCustomerFeedResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/customer_manager_link_service.proto b/google/ads/googleads/v0/services/customer_manager_link_service.proto
new file mode 100644
index 000000000..2ae74e265
--- /dev/null
+++ b/google/ads/googleads/v0/services/customer_manager_link_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/customer_manager_link.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerManagerLinkServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+
+
+// Service to manage customer-manager links.
+service CustomerManagerLinkService {
+  // Returns the requested CustomerManagerLink in full detail.
+  rpc GetCustomerManagerLink(GetCustomerManagerLinkRequest) returns (google.ads.googleads.v0.resources.CustomerManagerLink) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/customerManagerLinks/*}"
+    };
+  }
+}
+
+// Request message for [CustomerManagerLinkService.GetCustomerManagerLink][google.ads.googleads.v0.services.CustomerManagerLinkService.GetCustomerManagerLink].
+message GetCustomerManagerLinkRequest {
+  // The resource name of the CustomerManagerLink to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/customer_service.proto b/google/ads/googleads/v0/services/customer_service.proto
new file mode 100644
index 000000000..e1a9c5fd6
--- /dev/null
+++ b/google/ads/googleads/v0/services/customer_service.proto
@@ -0,0 +1,130 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/customer.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "CustomerServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Customer service.
+
+// Service to manage customers.
+service CustomerService {
+  // Returns the requested customer in full detail.
+  rpc GetCustomer(GetCustomerRequest) returns (google.ads.googleads.v0.resources.Customer) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*}"
+    };
+  }
+
+  // Updates a customer. Operation statuses are returned.
+  rpc MutateCustomer(MutateCustomerRequest) returns (MutateCustomerResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}:mutate"
+      body: "*"
+    };
+  }
+
+  // Returns resource names of customers directly accessible by the
+  // user authenticating the call.
+  rpc ListAccessibleCustomers(ListAccessibleCustomersRequest) returns (ListAccessibleCustomersResponse) {
+    option (google.api.http) = {
+      get: "/v0/customers:listAccessibleCustomers"
+    };
+  }
+
+  // Creates a new client under manager. The new client customer is returned.
+  rpc CreateCustomerClient(CreateCustomerClientRequest) returns (CreateCustomerClientResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}:createCustomerClient"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [CustomerService.GetCustomer][google.ads.googleads.v0.services.CustomerService.GetCustomer].
+message GetCustomerRequest {
+  // The resource name of the customer to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [CustomerService.MutateCustomer][google.ads.googleads.v0.services.CustomerService.MutateCustomer].
+message MutateCustomerRequest {
+  // The ID of the customer being modified.
+  string customer_id = 1;
+
+  // The operation to perform on the customer
+  CustomerOperation operation = 4;
+}
+
+// Request message for [CustomerService.CreateCustomerClient][google.ads.googleads.v0.services.CustomerService.CreateCustomerClient].
+message CreateCustomerClientRequest {
+  // The ID of the Manager under whom client customer is being created.
+  string customer_id = 1;
+
+  // The new client customer to create. The resource name on this customer
+  // will be ignored.
+  google.ads.googleads.v0.resources.Customer customer_client = 2;
+}
+
+// A single update on a customer.
+message CustomerOperation {
+  // Mutate operation. Only updates are supported for customer.
+  google.ads.googleads.v0.resources.Customer update = 1;
+
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 2;
+}
+
+// Response message for CreateCustomerClient mutate.
+message CreateCustomerClientResponse {
+  // The resource name of the newly created customer client.
+  string resource_name = 2;
+}
+
+// Response message for customer mutate.
+message MutateCustomerResponse {
+  // Result for the mutate.
+  MutateCustomerResult result = 2;
+}
+
+// The result for the customer mutate.
+message MutateCustomerResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
+
+// Request message for [CustomerService.ListAccessibleCustomers][google.ads.googleads.v0.services.CustomerService.ListAccessibleCustomers].
+message ListAccessibleCustomersRequest {
+
+}
+
+// Response message for [CustomerService.ListAccessibleCustomers][google.ads.googleads.v0.services.CustomerService.ListAccessibleCustomers].
+message ListAccessibleCustomersResponse {
+  // Resource name of customers directly accessible by the
+  // user authenticating the call.
+  repeated string resource_names = 1;
+}
diff --git a/google/ads/googleads/v0/services/display_keyword_view_service.proto b/google/ads/googleads/v0/services/display_keyword_view_service.proto
new file mode 100644
index 000000000..162c289b4
--- /dev/null
+++ b/google/ads/googleads/v0/services/display_keyword_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/display_keyword_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "DisplayKeywordViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Display Keyword View service.
+
+// Service to manage display keyword views.
+service DisplayKeywordViewService {
+  // Returns the requested display keyword view in full detail.
+  rpc GetDisplayKeywordView(GetDisplayKeywordViewRequest) returns (google.ads.googleads.v0.resources.DisplayKeywordView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/displayKeywordViews/*}"
+    };
+  }
+}
+
+// Request message for [DisplayKeywordViewService.GetDisplayKeywordView][google.ads.googleads.v0.services.DisplayKeywordViewService.GetDisplayKeywordView].
+message GetDisplayKeywordViewRequest {
+  // The resource name of the display keyword view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/feed_item_service.proto b/google/ads/googleads/v0/services/feed_item_service.proto
new file mode 100644
index 000000000..24de55484
--- /dev/null
+++ b/google/ads/googleads/v0/services/feed_item_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/feed_item.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "FeedItemServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the FeedItem service.
+
+// Service to manage feed items.
+service FeedItemService {
+  // Returns the requested feed item in full detail.
+  rpc GetFeedItem(GetFeedItemRequest) returns (google.ads.googleads.v0.resources.FeedItem) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/feedItems/*}"
+    };
+  }
+
+  // Creates, updates, or removes feed items. Operation statuses are
+  // returned.
+  rpc MutateFeedItems(MutateFeedItemsRequest) returns (MutateFeedItemsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/feedItems:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [FeedItemService.GetFeedItem][google.ads.googleads.v0.services.FeedItemService.GetFeedItem].
+message GetFeedItemRequest {
+  // The resource name of the feed item to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [FeedItemService.MutateFeedItems][google.ads.googleads.v0.services.FeedItemService.MutateFeedItems].
+message MutateFeedItemsRequest {
+  // The ID of the customer whose feed items are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual feed items.
+  repeated FeedItemOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an feed item.
+message FeedItemOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new feed item.
+    google.ads.googleads.v0.resources.FeedItem create = 1;
+
+    // Update operation: The feed item is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.FeedItem update = 2;
+
+    // Remove operation: A resource name for the removed feed item is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/feedItems/{feed_id}_{feed_item_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an feed item mutate.
+message MutateFeedItemsResponse {
+  // All results for the mutate.
+  repeated MutateFeedItemResult results = 2;
+}
+
+// The result for the feed item mutate.
+message MutateFeedItemResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/feed_mapping_service.proto b/google/ads/googleads/v0/services/feed_mapping_service.proto
new file mode 100644
index 000000000..6cd5eafc0
--- /dev/null
+++ b/google/ads/googleads/v0/services/feed_mapping_service.proto
@@ -0,0 +1,91 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/feed_mapping.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "FeedMappingServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the FeedMapping service.
+
+// Service to manage feed mappings.
+service FeedMappingService {
+  // Returns the requested feed mapping in full detail.
+  rpc GetFeedMapping(GetFeedMappingRequest) returns (google.ads.googleads.v0.resources.FeedMapping) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/feedMappings/*}"
+    };
+  }
+
+  // Creates or removes feed mappings. Operation statuses are
+  // returned.
+  rpc MutateFeedMappings(MutateFeedMappingsRequest) returns (MutateFeedMappingsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/feedMappings:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [FeedMappingService.GetFeedMapping][google.ads.googleads.v0.services.FeedMappingService.GetFeedMapping].
+message GetFeedMappingRequest {
+  // The resource name of the feed mapping to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [FeedMappingService.MutateFeedMappings][google.ads.googleads.v0.services.FeedMappingService.MutateFeedMappings].
+message MutateFeedMappingsRequest {
+  // The ID of the customer whose feed mappings are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual feed mappings.
+  repeated FeedMappingOperation operations = 2;
+}
+
+// A single operation (create, remove) on a feed mapping.
+message FeedMappingOperation {
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new feed mapping.
+    google.ads.googleads.v0.resources.FeedMapping create = 1;
+
+    // Remove operation: A resource name for the removed feed mapping is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/feedMappings/{feed_id}_{feed_mapping_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a feed mapping mutate.
+message MutateFeedMappingsResponse {
+  // All results for the mutate.
+  repeated MutateFeedMappingResult results = 2;
+}
+
+// The result for the feed mapping mutate.
+message MutateFeedMappingResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/feed_service.proto b/google/ads/googleads/v0/services/feed_service.proto
new file mode 100644
index 000000000..604bc4f38
--- /dev/null
+++ b/google/ads/googleads/v0/services/feed_service.proto
@@ -0,0 +1,99 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/feed.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "FeedServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Feed service.
+
+// Service to manage feeds.
+service FeedService {
+  // Returns the requested feed in full detail.
+  rpc GetFeed(GetFeedRequest) returns (google.ads.googleads.v0.resources.Feed) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/feeds/*}"
+    };
+  }
+
+  // Creates, updates, or removes feeds. Operation statuses are
+  // returned.
+  rpc MutateFeeds(MutateFeedsRequest) returns (MutateFeedsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/feeds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [FeedService.GetFeed][google.ads.googleads.v0.services.FeedService.GetFeed].
+message GetFeedRequest {
+  // The resource name of the feed to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [FeedService.MutateFeeds][google.ads.googleads.v0.services.FeedService.MutateFeeds].
+message MutateFeedsRequest {
+  // The ID of the customer whose feeds are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual feeds.
+  repeated FeedOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an feed.
+message FeedOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new feed.
+    google.ads.googleads.v0.resources.Feed create = 1;
+
+    // Update operation: The feed is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.Feed update = 2;
+
+    // Remove operation: A resource name for the removed feed is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/feeds/{feed_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for an feed mutate.
+message MutateFeedsResponse {
+  // All results for the mutate.
+  repeated MutateFeedResult results = 2;
+}
+
+// The result for the feed mutate.
+message MutateFeedResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/gender_view_service.proto b/google/ads/googleads/v0/services/gender_view_service.proto
new file mode 100644
index 000000000..6459ca58e
--- /dev/null
+++ b/google/ads/googleads/v0/services/gender_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/gender_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "GenderViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Gender View service.
+
+// Service to manage gender views.
+service GenderViewService {
+  // Returns the requested gender view in full detail.
+  rpc GetGenderView(GetGenderViewRequest) returns (google.ads.googleads.v0.resources.GenderView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/genderViews/*}"
+    };
+  }
+}
+
+// Request message for [GenderViewService.GetGenderView][google.ads.googleads.v0.services.GenderViewService.GetGenderView].
+message GetGenderViewRequest {
+  // The resource name of the gender view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/geo_target_constant_service.proto b/google/ads/googleads/v0/services/geo_target_constant_service.proto
new file mode 100644
index 000000000..12cd1e176
--- /dev/null
+++ b/google/ads/googleads/v0/services/geo_target_constant_service.proto
@@ -0,0 +1,117 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/geo_target_constant.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "GeoTargetConstantServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Geo target constant service.
+
+// Service to fetch geo target constants.
+service GeoTargetConstantService {
+  // Returns the requested geo target constant in full detail.
+  rpc GetGeoTargetConstant(GetGeoTargetConstantRequest) returns (google.ads.googleads.v0.resources.GeoTargetConstant) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=geoTargetConstants/*}"
+    };
+  }
+
+  // Returns GeoTargetConstant suggestions by location name or by resource name.
+  rpc SuggestGeoTargetConstants(SuggestGeoTargetConstantsRequest) returns (SuggestGeoTargetConstantsResponse) {
+    option (google.api.http) = {
+      post: "/v0/geoTargetConstants:suggest"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [GeoTargetConstantService.GetGeoTargetConstant][google.ads.googleads.v0.services.GeoTargetConstantService.GetGeoTargetConstant].
+message GetGeoTargetConstantRequest {
+  // The resource name of the geo target constant to fetch.
+  string resource_name = 1;
+}
+
+// Request message for
+// [GeoTargetConstantService.SuggestGeoTargetConstantsRequest][].
+message SuggestGeoTargetConstantsRequest {
+  // A list of location names.
+  message LocationNames {
+    // A list of location names.
+    repeated google.protobuf.StringValue names = 1;
+  }
+
+  // A list of geo target constant resource names.
+  message GeoTargets {
+    // A list of geo target constant resource names.
+    repeated google.protobuf.StringValue geo_target_constants = 1;
+  }
+
+  // If possible, returned geo targets are translated using this locale. If not,
+  // en is used by default. This is also used as a hint for returned geo
+  // targets.
+  google.protobuf.StringValue locale = 3;
+
+  // Returned geo targets are restricted to this country code.
+  google.protobuf.StringValue country_code = 5;
+
+  // Required. A selector of geo target constants.
+  oneof query {
+    // The location names to search by. At most 25 names can be set.
+    LocationNames location_names = 1;
+
+    // The geo target constant resource names to filter by.
+    GeoTargets geo_targets = 2;
+  }
+}
+
+// Response message for [GeoTargetConstantService.SuggestGeoTargetConstants][google.ads.googleads.v0.services.GeoTargetConstantService.SuggestGeoTargetConstants]
+message SuggestGeoTargetConstantsResponse {
+  // Geo target constant suggestions.
+  repeated GeoTargetConstantSuggestion geo_target_constant_suggestions = 1;
+}
+
+// A geo target constant suggestion.
+message GeoTargetConstantSuggestion {
+  // The language this GeoTargetConstantSuggestion is currently translated to.
+  // It affects the name of geo target fields. For example, if locale=en, then
+  // name=Spain. If locale=es, then name=España. The default locale will be
+  // returned if no translation exists for the locale in the request.
+  google.protobuf.StringValue locale = 1;
+
+  // Approximate user population that will be targeted, rounded to the
+  // nearest 100.
+  google.protobuf.Int64Value reach = 2;
+
+  // If the request searched by location name, this is the location name that
+  // matched the geo target.
+  google.protobuf.StringValue search_term = 3;
+
+  // The GeoTargetConstant result.
+  google.ads.googleads.v0.resources.GeoTargetConstant geo_target_constant = 4;
+
+  // The list of parents of the geo target constant.
+  repeated google.ads.googleads.v0.resources.GeoTargetConstant geo_target_constant_parents = 5;
+}
diff --git a/google/ads/googleads/v0/services/google_ads_field_service.proto b/google/ads/googleads/v0/services/google_ads_field_service.proto
new file mode 100644
index 000000000..99f8e11f3
--- /dev/null
+++ b/google/ads/googleads/v0/services/google_ads_field_service.proto
@@ -0,0 +1,84 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/google_ads_field.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "GoogleAdsFieldServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the GoogleAdsFieldService
+
+// Service to fetch Google Ads API fields.
+service GoogleAdsFieldService {
+  // Returns just the requested field.
+  rpc GetGoogleAdsField(GetGoogleAdsFieldRequest) returns (google.ads.googleads.v0.resources.GoogleAdsField) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=googleAdsFields/*}"
+    };
+  }
+
+  // Returns all fields that match the search query.
+  rpc SearchGoogleAdsFields(SearchGoogleAdsFieldsRequest) returns (SearchGoogleAdsFieldsResponse) {
+    option (google.api.http) = {
+      post: "/v0/googleAdsFields:search"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [GoogleAdsFieldService.GetGoogleAdsField][google.ads.googleads.v0.services.GoogleAdsFieldService.GetGoogleAdsField].
+message GetGoogleAdsFieldRequest {
+  // The resource name of the field to get.
+  string resource_name = 1;
+}
+
+// Request message for [GoogleAdsFieldService.SearchGoogleAdsFields][google.ads.googleads.v0.services.GoogleAdsFieldService.SearchGoogleAdsFields].
+message SearchGoogleAdsFieldsRequest {
+  // The query string.
+  string query = 1;
+
+  // Token of the page to retrieve. If not specified, the first page of
+  // results will be returned. Use the value obtained from `next_page_token`
+  // in the previous response in order to request the next page of results.
+  string page_token = 2;
+
+  // Number of elements to retrieve in a single page.
+  // When too large a page is requested, the server may decide to further
+  // limit the number of returned resources.
+  int32 page_size = 3;
+}
+
+// Response message for [GoogleAdsFieldService.SearchGoogleAdsFields][google.ads.googleads.v0.services.GoogleAdsFieldService.SearchGoogleAdsFields].
+message SearchGoogleAdsFieldsResponse {
+  // The list of fields that matched the query.
+  repeated google.ads.googleads.v0.resources.GoogleAdsField results = 1;
+
+  // Pagination token used to retrieve the next page of results. Pass the
+  // content of this string as the `page_token` attribute of the next request.
+  // `next_page_token` is not returned for the last page.
+  string next_page_token = 2;
+
+  // Total number of results that match the query ignoring the LIMIT clause.
+  int64 total_results_count = 3;
+}
diff --git a/google/ads/googleads/v0/services/google_ads_service.proto b/google/ads/googleads/v0/services/google_ads_service.proto
new file mode 100644
index 000000000..524de077e
--- /dev/null
+++ b/google/ads/googleads/v0/services/google_ads_service.proto
@@ -0,0 +1,525 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/common/metrics.proto";
+import "google/ads/googleads/v0/enums/ad_network_type.proto";
+import "google/ads/googleads/v0/enums/day_of_week.proto";
+import "google/ads/googleads/v0/enums/device.proto";
+import "google/ads/googleads/v0/enums/hotel_date_selection_type.proto";
+import "google/ads/googleads/v0/enums/month_of_year.proto";
+import "google/ads/googleads/v0/enums/placeholder_type.proto";
+import "google/ads/googleads/v0/enums/search_term_match_type.proto";
+import "google/ads/googleads/v0/enums/slot.proto";
+import "google/ads/googleads/v0/resources/account_budget.proto";
+import "google/ads/googleads/v0/resources/account_budget_proposal.proto";
+import "google/ads/googleads/v0/resources/ad_group.proto";
+import "google/ads/googleads/v0/resources/ad_group_ad.proto";
+import "google/ads/googleads/v0/resources/ad_group_audience_view.proto";
+import "google/ads/googleads/v0/resources/ad_group_bid_modifier.proto";
+import "google/ads/googleads/v0/resources/ad_group_criterion.proto";
+import "google/ads/googleads/v0/resources/ad_group_feed.proto";
+import "google/ads/googleads/v0/resources/age_range_view.proto";
+import "google/ads/googleads/v0/resources/bidding_strategy.proto";
+import "google/ads/googleads/v0/resources/billing_setup.proto";
+import "google/ads/googleads/v0/resources/campaign.proto";
+import "google/ads/googleads/v0/resources/campaign_audience_view.proto";
+import "google/ads/googleads/v0/resources/campaign_bid_modifier.proto";
+import "google/ads/googleads/v0/resources/campaign_budget.proto";
+import "google/ads/googleads/v0/resources/campaign_criterion.proto";
+import "google/ads/googleads/v0/resources/campaign_feed.proto";
+import "google/ads/googleads/v0/resources/campaign_group.proto";
+import "google/ads/googleads/v0/resources/campaign_shared_set.proto";
+import "google/ads/googleads/v0/resources/carrier_constant.proto";
+import "google/ads/googleads/v0/resources/change_status.proto";
+import "google/ads/googleads/v0/resources/customer.proto";
+import "google/ads/googleads/v0/resources/customer_client.proto";
+import "google/ads/googleads/v0/resources/customer_client_link.proto";
+import "google/ads/googleads/v0/resources/customer_feed.proto";
+import "google/ads/googleads/v0/resources/customer_manager_link.proto";
+import "google/ads/googleads/v0/resources/display_keyword_view.proto";
+import "google/ads/googleads/v0/resources/feed.proto";
+import "google/ads/googleads/v0/resources/feed_item.proto";
+import "google/ads/googleads/v0/resources/feed_mapping.proto";
+import "google/ads/googleads/v0/resources/gender_view.proto";
+import "google/ads/googleads/v0/resources/geo_target_constant.proto";
+import "google/ads/googleads/v0/resources/hotel_group_view.proto";
+import "google/ads/googleads/v0/resources/hotel_performance_view.proto";
+import "google/ads/googleads/v0/resources/keyword_plan.proto";
+import "google/ads/googleads/v0/resources/keyword_plan_ad_group.proto";
+import "google/ads/googleads/v0/resources/keyword_plan_campaign.proto";
+import "google/ads/googleads/v0/resources/keyword_plan_keyword.proto";
+import "google/ads/googleads/v0/resources/keyword_plan_negative_keyword.proto";
+import "google/ads/googleads/v0/resources/keyword_view.proto";
+import "google/ads/googleads/v0/resources/language_constant.proto";
+import "google/ads/googleads/v0/resources/managed_placement_view.proto";
+import "google/ads/googleads/v0/resources/parental_status_view.proto";
+import "google/ads/googleads/v0/resources/product_group_view.proto";
+import "google/ads/googleads/v0/resources/recommendation.proto";
+import "google/ads/googleads/v0/resources/search_term_view.proto";
+import "google/ads/googleads/v0/resources/shared_criterion.proto";
+import "google/ads/googleads/v0/resources/shared_set.proto";
+import "google/ads/googleads/v0/resources/topic_constant.proto";
+import "google/ads/googleads/v0/resources/topic_view.proto";
+import "google/ads/googleads/v0/resources/user_interest.proto";
+import "google/ads/googleads/v0/resources/user_list.proto";
+import "google/ads/googleads/v0/resources/video.proto";
+import "google/ads/googleads/v0/services/ad_group_ad_service.proto";
+import "google/ads/googleads/v0/services/ad_group_bid_modifier_service.proto";
+import "google/ads/googleads/v0/services/ad_group_criterion_service.proto";
+import "google/ads/googleads/v0/services/ad_group_service.proto";
+import "google/ads/googleads/v0/services/bidding_strategy_service.proto";
+import "google/ads/googleads/v0/services/campaign_bid_modifier_service.proto";
+import "google/ads/googleads/v0/services/campaign_budget_service.proto";
+import "google/ads/googleads/v0/services/campaign_criterion_service.proto";
+import "google/ads/googleads/v0/services/campaign_group_service.proto";
+import "google/ads/googleads/v0/services/campaign_service.proto";
+import "google/ads/googleads/v0/services/campaign_shared_set_service.proto";
+import "google/ads/googleads/v0/services/conversion_action_service.proto";
+import "google/ads/googleads/v0/services/shared_criterion_service.proto";
+import "google/ads/googleads/v0/services/shared_set_service.proto";
+import "google/ads/googleads/v0/services/user_list_service.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "GoogleAdsServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the GoogleAdsService.
+
+// Service to fetch data and metrics across resources.
+service GoogleAdsService {
+  // Returns all rows that match the search query.
+  rpc Search(SearchGoogleAdsRequest) returns (SearchGoogleAdsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/googleAds:search"
+      body: "*"
+    };
+  }
+
+  // Creates, updates, or removes resources. Operation statuses are returned.
+  rpc Mutate(MutateGoogleAdsRequest) returns (MutateGoogleAdsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/googleAds:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [GoogleAdsService.Search][google.ads.googleads.v0.services.GoogleAdsService.Search].
+message SearchGoogleAdsRequest {
+  // The ID of the customer being queried.
+  string customer_id = 1;
+
+  // The query string.
+  string query = 2;
+
+  // Token of the page to retrieve. If not specified, the first
+  // page of results will be returned. Use the value obtained from
+  // `next_page_token` in the previous response in order to request
+  // the next page of results.
+  string page_token = 3;
+
+  // Number of elements to retrieve in a single page.
+  // When too large a page is requested, the server may decide to
+  // further limit the number of returned resources.
+  int32 page_size = 4;
+}
+
+// Response message for [GoogleAdsService.Search][google.ads.googleads.v0.services.GoogleAdsService.Search].
+message SearchGoogleAdsResponse {
+  // The list of rows that matched the query.
+  repeated GoogleAdsRow results = 1;
+
+  // Pagination token used to retrieve the next page of results.
+  // Pass the content of this string as the `page_token` attribute of
+  // the next request. `next_page_token` is not returned for the last
+  // page.
+  string next_page_token = 2;
+
+  // Total number of results that match the query ignoring the LIMIT
+  // clause.
+  int64 total_results_count = 3;
+
+  // FieldMask that represents what fields were requested by the user.
+  google.protobuf.FieldMask field_mask = 5;
+}
+
+// A returned row from the query.
+message GoogleAdsRow {
+  // The account budget in the query.
+  google.ads.googleads.v0.resources.AccountBudget account_budget = 42;
+
+  // The account budget proposal referenced in the query.
+  google.ads.googleads.v0.resources.AccountBudgetProposal account_budget_proposal = 43;
+
+  // The ad group referenced in the query.
+  google.ads.googleads.v0.resources.AdGroup ad_group = 3;
+
+  // The ad referenced in the query.
+  google.ads.googleads.v0.resources.AdGroupAd ad_group_ad = 16;
+
+  // The ad group audience view referenced in the query.
+  google.ads.googleads.v0.resources.AdGroupAudienceView ad_group_audience_view = 57;
+
+  // The bid modifier referenced in the query.
+  google.ads.googleads.v0.resources.AdGroupBidModifier ad_group_bid_modifier = 24;
+
+  // The criterion referenced in the query.
+  google.ads.googleads.v0.resources.AdGroupCriterion ad_group_criterion = 17;
+
+  // The ad group feed referenced in the query.
+  google.ads.googleads.v0.resources.AdGroupFeed ad_group_feed = 67;
+
+  // The age range view referenced in the query.
+  google.ads.googleads.v0.resources.AgeRangeView age_range_view = 48;
+
+  // The bidding strategy referenced in the query.
+  google.ads.googleads.v0.resources.BiddingStrategy bidding_strategy = 18;
+
+  // The billing setup referenced in the query.
+  google.ads.googleads.v0.resources.BillingSetup billing_setup = 41;
+
+  // The campaign budget referenced in the query.
+  google.ads.googleads.v0.resources.CampaignBudget campaign_budget = 19;
+
+  // The campaign referenced in the query.
+  google.ads.googleads.v0.resources.Campaign campaign = 2;
+
+  // The campaign audience view referenced in the query.
+  google.ads.googleads.v0.resources.CampaignAudienceView campaign_audience_view = 69;
+
+  // The campaign bid modifier referenced in the query.
+  google.ads.googleads.v0.resources.CampaignBidModifier campaign_bid_modifier = 26;
+
+  // The campaign criterion referenced in the query.
+  google.ads.googleads.v0.resources.CampaignCriterion campaign_criterion = 20;
+
+  // The campaign feed referenced in the query.
+  google.ads.googleads.v0.resources.CampaignFeed campaign_feed = 63;
+
+  // Campaign Group referenced in AWQL query.
+  google.ads.googleads.v0.resources.CampaignGroup campaign_group = 25;
+
+  // Campaign Shared Set referenced in AWQL query.
+  google.ads.googleads.v0.resources.CampaignSharedSet campaign_shared_set = 30;
+
+  // The carrier constant referenced in the query.
+  google.ads.googleads.v0.resources.CarrierConstant carrier_constant = 66;
+
+  // The ChangeStatus referenced in the query.
+  google.ads.googleads.v0.resources.ChangeStatus change_status = 37;
+
+  // The customer referenced in the query.
+  google.ads.googleads.v0.resources.Customer customer = 1;
+
+  // The CustomerManagerLink referenced in the query.
+  google.ads.googleads.v0.resources.CustomerManagerLink customer_manager_link = 61;
+
+  // The CustomerClientLink referenced in the query.
+  google.ads.googleads.v0.resources.CustomerClientLink customer_client_link = 62;
+
+  // The CustomerClient referenced in the query.
+  google.ads.googleads.v0.resources.CustomerClient customer_client = 70;
+
+  // The customer feed referenced in the query.
+  google.ads.googleads.v0.resources.CustomerFeed customer_feed = 64;
+
+  // The display keyword view referenced in the query.
+  google.ads.googleads.v0.resources.DisplayKeywordView display_keyword_view = 47;
+
+  // The feed referenced in the query.
+  google.ads.googleads.v0.resources.Feed feed = 46;
+
+  // The feed item referenced in the query.
+  google.ads.googleads.v0.resources.FeedItem feed_item = 50;
+
+  // The feed mapping referenced in the query.
+  google.ads.googleads.v0.resources.FeedMapping feed_mapping = 58;
+
+  // The gender view referenced in the query.
+  google.ads.googleads.v0.resources.GenderView gender_view = 40;
+
+  // The geo target constant referenced in the query.
+  google.ads.googleads.v0.resources.GeoTargetConstant geo_target_constant = 23;
+
+  // The hotel group view referenced in the query.
+  google.ads.googleads.v0.resources.HotelGroupView hotel_group_view = 51;
+
+  // The hotel performance view referenced in the query.
+  google.ads.googleads.v0.resources.HotelPerformanceView hotel_performance_view = 71;
+
+  // The keyword view referenced in the query.
+  google.ads.googleads.v0.resources.KeywordView keyword_view = 21;
+
+  // The keyword plan referenced in the query.
+  google.ads.googleads.v0.resources.KeywordPlan keyword_plan = 32;
+
+  // The keyword plan campaign referenced in the query.
+  google.ads.googleads.v0.resources.KeywordPlanCampaign keyword_plan_campaign = 33;
+
+  // The keyword plan negative keyword referenced in the query.
+  google.ads.googleads.v0.resources.KeywordPlanNegativeKeyword keyword_plan_negative_keyword = 34;
+
+  // The keyword plan ad group referenced in the query.
+  google.ads.googleads.v0.resources.KeywordPlanAdGroup keyword_plan_ad_group = 35;
+
+  // The keyword plan keyword referenced in the query.
+  google.ads.googleads.v0.resources.KeywordPlanKeyword keyword_plan_keyword = 36;
+
+  // The language constant referenced in the query.
+  google.ads.googleads.v0.resources.LanguageConstant language_constant = 55;
+
+  // The managed placement view referenced in the query.
+  google.ads.googleads.v0.resources.ManagedPlacementView managed_placement_view = 53;
+
+  // The parental status view referenced in the query.
+  google.ads.googleads.v0.resources.ParentalStatusView parental_status_view = 45;
+
+  // The product group view referenced in the query.
+  google.ads.googleads.v0.resources.ProductGroupView product_group_view = 54;
+
+  // The recommendation referenced in the query.
+  google.ads.googleads.v0.resources.Recommendation recommendation = 22;
+
+  // The search term view referenced in the query.
+  google.ads.googleads.v0.resources.SearchTermView search_term_view = 68;
+
+  // The shared set referenced in the query.
+  google.ads.googleads.v0.resources.SharedCriterion shared_criterion = 29;
+
+  // The shared set referenced in the query.
+  google.ads.googleads.v0.resources.SharedSet shared_set = 27;
+
+  // The topic view referenced in the query.
+  google.ads.googleads.v0.resources.TopicView topic_view = 44;
+
+  // The user interest referenced in the query.
+  google.ads.googleads.v0.resources.UserInterest user_interest = 59;
+
+  // The user list referenced in the query.
+  google.ads.googleads.v0.resources.UserList user_list = 38;
+
+  // The topic constant referenced in the query.
+  google.ads.googleads.v0.resources.TopicConstant topic_constant = 31;
+
+  // The video referenced in the query.
+  google.ads.googleads.v0.resources.Video video = 39;
+
+  // The metrics.
+  google.ads.googleads.v0.common.Metrics metrics = 4;
+
+  // Ad network type.
+  google.ads.googleads.v0.enums.AdNetworkTypeEnum.AdNetworkType ad_network_type = 5;
+
+  // Date to which metrics apply.
+  // yyyy-MM-dd format, e.g., 2018-04-17.
+  google.protobuf.StringValue date = 6;
+
+  // Day of the week, e.g., MONDAY.
+  google.ads.googleads.v0.enums.DayOfWeekEnum.DayOfWeek day_of_week = 7;
+
+  // Device to which metrics apply.
+  google.ads.googleads.v0.enums.DeviceEnum.Device device = 8;
+
+  // Hotel booking window in days.
+  google.protobuf.Int64Value hotel_booking_window_days = 83;
+
+  // Hotel center ID.
+  google.protobuf.Int64Value hotel_center_id = 72;
+
+  // Hotel check-in date. Formatted as yyyy-MM-dd.
+  google.protobuf.StringValue hotel_check_in_date = 73;
+
+  // Hotel check-in day of week.
+  google.ads.googleads.v0.enums.DayOfWeekEnum.DayOfWeek hotel_check_in_day_of_week = 74;
+
+  // Hotel city.
+  google.protobuf.StringValue hotel_city = 75;
+
+  // Hotel class.
+  google.protobuf.Int32Value hotel_class = 76;
+
+  // Hotel country.
+  google.protobuf.StringValue hotel_country = 77;
+
+  // Hotel date selection type.
+  google.ads.googleads.v0.enums.HotelDateSelectionTypeEnum.HotelDateSelectionType hotel_date_selection_type = 78;
+
+  // Hotel length of stay.
+  google.protobuf.Int32Value hotel_length_of_stay = 79;
+
+  // Hotel state.
+  google.protobuf.StringValue hotel_state = 81;
+
+  // Hour of day as a number between 0 and 23, inclusive.
+  google.protobuf.Int32Value hour = 9;
+
+  // Month as represented by the date of the first day of a month. Formatted as
+  // yyyy-MM-dd.
+  google.protobuf.StringValue month = 10;
+
+  // Month of the year, e.g., January.
+  google.ads.googleads.v0.enums.MonthOfYearEnum.MonthOfYear month_of_year = 28;
+
+  // Partner hotel ID.
+  google.protobuf.StringValue partner_hotel_id = 82;
+
+  // Placeholder type. This is only used with feed item metrics.
+  google.ads.googleads.v0.enums.PlaceholderTypeEnum.PlaceholderType placeholder_type = 65;
+
+  // Quarter as represented by the date of the first day of a quarter.
+  // Uses the calendar year for quarters, e.g., the second quarter of 2018
+  // starts on 2018-04-01. Formatted as yyyy-MM-dd.
+  google.protobuf.StringValue quarter = 12;
+
+  // Match type of the keyword that triggered the ad, including variants.
+  google.ads.googleads.v0.enums.SearchTermMatchTypeEnum.SearchTermMatchType search_term_match_type = 56;
+
+  // Position of the ad.
+  google.ads.googleads.v0.enums.SlotEnum.Slot slot = 13;
+
+  // Week as defined as Monday through Sunday, and represented by the date of
+  // Monday. Formatted as yyyy-MM-dd.
+  google.protobuf.StringValue week = 14;
+
+  // Year, formatted as yyyy.
+  google.protobuf.Int32Value year = 15;
+}
+
+// Request message for [GoogleAdsService.Mutate][google.ads.googleads.v0.services.GoogleAdsService.Mutate].
+message MutateGoogleAdsRequest {
+  // The ID of the customer whose resources are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual resources.
+  repeated MutateOperation mutate_operations = 2;
+}
+
+// Response message for [GoogleAdsService.Mutate][google.ads.googleads.v0.services.GoogleAdsService.Mutate].
+message MutateGoogleAdsResponse {
+  // All responses for the mutate.
+  repeated MutateOperationResponse mutate_operation_responses = 1;
+}
+
+// A single operation (create, update, remove) on a resource.
+message MutateOperation {
+  // The mutate operation.
+  oneof operation {
+    // An ad group ad mutate operation.
+    AdGroupAdOperation ad_group_ad_operation = 1;
+
+    // An ad group bid modifier mutate operation.
+    AdGroupBidModifierOperation ad_group_bid_modifier_operation = 2;
+
+    // An ad group criterion mutate operation.
+    AdGroupCriterionOperation ad_group_criterion_operation = 3;
+
+    // An ad group mutate operation.
+    AdGroupOperation ad_group_operation = 5;
+
+    // A bidding strategy mutate operation.
+    BiddingStrategyOperation bidding_strategy_operation = 6;
+
+    // A campaign bid modifier mutate operation.
+    CampaignBidModifierOperation campaign_bid_modifier_operation = 7;
+
+    // A campaign budget mutate operation.
+    CampaignBudgetOperation campaign_budget_operation = 8;
+
+    // A campaign group mutate operation.
+    CampaignGroupOperation campaign_group_operation = 9;
+
+    // A campaign mutate operation.
+    CampaignOperation campaign_operation = 10;
+
+    // A campaign shared set mutate operation.
+    CampaignSharedSetOperation campaign_shared_set_operation = 11;
+
+    // A conversion action mutate operation.
+    ConversionActionOperation conversion_action_operation = 12;
+
+    // A campaign criterion mutate operation.
+    CampaignCriterionOperation campaign_criterion_operation = 13;
+
+    // A shared criterion mutate operation.
+    SharedCriterionOperation shared_criterion_operation = 14;
+
+    // A shared set mutate operation.
+    SharedSetOperation shared_set_operation = 15;
+
+    // A user list mutate operation.
+    UserListOperation user_list_operation = 16;
+  }
+}
+
+// Response message for the resource mutate.
+message MutateOperationResponse {
+  // The mutate response
+  oneof response {
+    // The result for the ad group ad mutate.
+    MutateAdGroupAdResult ad_group_ad_result = 1;
+
+    // The result for the ad group bid modifier mutate.
+    MutateAdGroupBidModifierResult ad_group_bid_modifier_result = 2;
+
+    // The result for the ad group criterion mutate.
+    MutateAdGroupCriterionResult ad_group_criterion_result = 3;
+
+    // The result for the ad group mutate.
+    MutateAdGroupResult ad_group_result = 5;
+
+    // The result for the bidding strategy mutate.
+    MutateBiddingStrategyResult bidding_strategy_result = 6;
+
+    // The result for the campaign bid modifier mutate.
+    MutateCampaignBidModifierResult campaign_bid_modifier_result = 7;
+
+    // The result for the campaign budget mutate.
+    MutateCampaignBudgetResult campaign_budget_result = 8;
+
+    // The result for the campaign group mutate.
+    MutateCampaignGroupResult campaign_group_result = 9;
+
+    // The result for the campaign mutate.
+    MutateCampaignResult campaign_result = 10;
+
+    // The result for the campaign shared set mutate.
+    MutateCampaignSharedSetResult campaign_shared_set_result = 11;
+
+    // The result for the conversion action mutate.
+    MutateConversionActionResult conversion_action_result = 12;
+
+    // The result for the campaign criterion mutate.
+    MutateCampaignCriterionResult campaign_criterion_result = 13;
+
+    // The result for the shared criterion mutate.
+    MutateSharedCriterionResult shared_criterion_result = 14;
+
+    // The result for the shared set mutate.
+    MutateSharedSetResult shared_set_result = 15;
+
+    // The result for the user list mutate.
+    MutateUserListResult user_list_result = 16;
+  }
+}
diff --git a/google/ads/googleads/v0/services/hotel_group_view_service.proto b/google/ads/googleads/v0/services/hotel_group_view_service.proto
new file mode 100644
index 000000000..c6f29883e
--- /dev/null
+++ b/google/ads/googleads/v0/services/hotel_group_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/hotel_group_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "HotelGroupViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Hotel Group View Service.
+
+// Service to manage Hotel Group Views.
+service HotelGroupViewService {
+  // Returns the requested Hotel Group View in full detail.
+  rpc GetHotelGroupView(GetHotelGroupViewRequest) returns (google.ads.googleads.v0.resources.HotelGroupView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/hotelGroupViews/*}"
+    };
+  }
+}
+
+// Request message for [HotelGroupViewService.GetHotelGroupView][google.ads.googleads.v0.services.HotelGroupViewService.GetHotelGroupView].
+message GetHotelGroupViewRequest {
+  // Resource name of the Hotel Group View to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/hotel_performance_view_service.proto b/google/ads/googleads/v0/services/hotel_performance_view_service.proto
new file mode 100644
index 000000000..2c409758e
--- /dev/null
+++ b/google/ads/googleads/v0/services/hotel_performance_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/hotel_performance_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "HotelPerformanceViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Hotel Performance View Service.
+
+// Service to manage Hotel Performance Views.
+service HotelPerformanceViewService {
+  // Returns the requested Hotel Performance View in full detail.
+  rpc GetHotelPerformanceView(GetHotelPerformanceViewRequest) returns (google.ads.googleads.v0.resources.HotelPerformanceView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/hotelPerformanceView}"
+    };
+  }
+}
+
+// Request message for [HotelPerformanceViewService.GetHotelPerformanceView][google.ads.googleads.v0.services.HotelPerformanceViewService.GetHotelPerformanceView].
+message GetHotelPerformanceViewRequest {
+  // Resource name of the Hotel Performance View to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_ad_group_service.proto b/google/ads/googleads/v0/services/keyword_plan_ad_group_service.proto
new file mode 100644
index 000000000..f992a9a59
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_ad_group_service.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/keyword_plan_ad_group.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanAdGroupServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan ad group service.
+
+// Service to manage Keyword Plan ad groups.
+service KeywordPlanAdGroupService {
+  // Returns the requested Keyword Plan ad group in full detail.
+  rpc GetKeywordPlanAdGroup(GetKeywordPlanAdGroupRequest) returns (google.ads.googleads.v0.resources.KeywordPlanAdGroup) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordPlanAdGroups/*}"
+    };
+  }
+
+  // Creates, updates, or removes Keyword Plan ad groups. Operation statuses are
+  // returned.
+  rpc MutateKeywordPlanAdGroups(MutateKeywordPlanAdGroupsRequest) returns (MutateKeywordPlanAdGroupsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/keywordPlanAdGroups:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [KeywordPlanAdGroupService.GetKeywordPlanAdGroup][google.ads.googleads.v0.services.KeywordPlanAdGroupService.GetKeywordPlanAdGroup].
+message GetKeywordPlanAdGroupRequest {
+  // The resource name of the Keyword Plan ad group to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [KeywordPlanAdGroupService.MutateKeywordPlanAdGroups][google.ads.googleads.v0.services.KeywordPlanAdGroupService.MutateKeywordPlanAdGroups].
+message MutateKeywordPlanAdGroupsRequest {
+  // The ID of the customer whose Keyword Plan ad groups are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual Keyword Plan ad groups.
+  repeated KeywordPlanAdGroupOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a Keyword Plan ad group.
+message KeywordPlanAdGroupOperation {
+  // The FieldMask that determines which resource fields are modified in an
+  // update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new Keyword Plan
+    // ad group.
+    google.ads.googleads.v0.resources.KeywordPlanAdGroup create = 1;
+
+    // Update operation: The Keyword Plan ad group is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.KeywordPlanAdGroup update = 2;
+
+    // Remove operation: A resource name for the removed Keyword Plan ad group
+    // is expected, in this format:
+    //
+    // `customers/{customer_id}/keywordPlanAdGroups/{kp_ad_group_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a Keyword Plan ad group mutate.
+message MutateKeywordPlanAdGroupsResponse {
+  // All results for the mutate.
+  repeated MutateKeywordPlanAdGroupResult results = 2;
+}
+
+// The result for the Keyword Plan ad group mutate.
+message MutateKeywordPlanAdGroupResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_campaign_service.proto b/google/ads/googleads/v0/services/keyword_plan_campaign_service.proto
new file mode 100644
index 000000000..126c38274
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_campaign_service.proto
@@ -0,0 +1,102 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/keyword_plan_campaign.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanCampaignServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan campaign service.
+
+// Service to manage Keyword Plan campaigns.
+service KeywordPlanCampaignService {
+  // Returns the requested Keyword Plan campaign in full detail.
+  rpc GetKeywordPlanCampaign(GetKeywordPlanCampaignRequest) returns (google.ads.googleads.v0.resources.KeywordPlanCampaign) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordPlanCampaigns/*}"
+    };
+  }
+
+  // Creates, updates, or removes Keyword Plan campaigns. Operation statuses are
+  // returned.
+  rpc MutateKeywordPlanCampaigns(MutateKeywordPlanCampaignsRequest) returns (MutateKeywordPlanCampaignsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/keywordPlanCampaigns:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [KeywordPlanCampaignService.GetKeywordPlanCampaign][google.ads.googleads.v0.services.KeywordPlanCampaignService.GetKeywordPlanCampaign].
+message GetKeywordPlanCampaignRequest {
+  // The resource name of the Keyword Plan campaign to fetch.
+  string resource_name = 1;
+}
+
+// Request message for
+// [KeywordPlanCampaignService.MutateKeywordPlanCampaigns][google.ads.googleads.v0.services.KeywordPlanCampaignService.MutateKeywordPlanCampaigns].
+message MutateKeywordPlanCampaignsRequest {
+  // The ID of the customer whose Keyword Plan campaigns are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual Keyword Plan campaigns.
+  repeated KeywordPlanCampaignOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a Keyword Plan campaign.
+message KeywordPlanCampaignOperation {
+  // The FieldMask that determines which resource fields are modified in an
+  // update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new Keyword Plan
+    // campaign.
+    google.ads.googleads.v0.resources.KeywordPlanCampaign create = 1;
+
+    // Update operation: The Keyword Plan campaign is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.KeywordPlanCampaign update = 2;
+
+    // Remove operation: A resource name for the removed Keyword Plan campaign
+    // is expected, in this format:
+    //
+    // `customers/{customer_id}/keywordPlanCampaigns/{keywordPlan_campaign_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a Keyword Plan campaign mutate.
+message MutateKeywordPlanCampaignsResponse {
+  // All results for the mutate.
+  repeated MutateKeywordPlanCampaignResult results = 2;
+}
+
+// The result for the Keyword Plan campaign mutate.
+message MutateKeywordPlanCampaignResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_idea_service.proto b/google/ads/googleads/v0/services/keyword_plan_idea_service.proto
new file mode 100644
index 000000000..481891af0
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_idea_service.proto
@@ -0,0 +1,112 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/common/keyword_plan_common.proto";
+import "google/ads/googleads/v0/enums/keyword_plan_network.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanIdeaServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan idea service.
+
+// Service to generate keyword ideas.
+service KeywordPlanIdeaService {
+  // Returns a list of keyword ideas.
+  rpc GenerateKeywordIdeas(GenerateKeywordIdeasRequest) returns (GenerateKeywordIdeaResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}:generateKeywordIdeas"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [KeywordIdeaService.GenerateKeywordIdeas][].
+message GenerateKeywordIdeasRequest {
+  // The ID of the customer with the recommendation.
+  string customer_id = 1;
+
+  // The resource name of the language to target.
+  // Required
+  google.protobuf.StringValue language = 7;
+
+  // The resource names of the location to target.
+  // Max 10
+  repeated google.protobuf.StringValue geo_target_constants = 8;
+
+  // Targeting network.
+  google.ads.googleads.v0.enums.KeywordPlanNetworkEnum.KeywordPlanNetwork keyword_plan_network = 9;
+
+  // The type of seed to generate keyword ideas.
+  oneof seed {
+    // A Keyword and a specific Url to generate ideas from
+    // e.g. cars, www.example.com/cars.
+    KeywordAndUrlSeed keyword_and_url_seed = 2;
+
+    // A Keyword or phrase to generate ideas from, e.g. cars.
+    KeywordSeed keyword_seed = 3;
+
+    // A specific url to generate ideas from, e.g. www.example.com/cars.
+    UrlSeed url_seed = 5;
+  }
+}
+
+// Keyword And Url Seed
+message KeywordAndUrlSeed {
+  // The URL to crawl in order to generate keyword ideas.
+  google.protobuf.StringValue url = 1;
+
+  // Requires at least one keyword.
+  repeated google.protobuf.StringValue keywords = 2;
+}
+
+// Keyword Seed
+message KeywordSeed {
+  // Requires at least one keyword.
+  repeated google.protobuf.StringValue keywords = 1;
+}
+
+// Url Seed
+message UrlSeed {
+  // The URL to crawl in order to generate keyword ideas.
+  google.protobuf.StringValue url = 1;
+}
+
+// Response message for [KeywordIdeaService.GenerateKeywordIdeas][].
+message GenerateKeywordIdeaResponse {
+  // Results of generating keyword ideas.
+  repeated GenerateKeywordIdeaResult results = 1;
+}
+
+// The result of generating keyword ideas.
+message GenerateKeywordIdeaResult {
+  // Text of the keyword idea.
+  // As in Keyword Plan historical metrics, this text may not be an actual
+  // keyword, but the canonical form of multiple keywords.
+  // See KeywordPlanKeywordHistoricalMetrics message in KeywordPlanService.
+  google.protobuf.StringValue text = 2;
+
+  // The historical metrics for the keyword
+  google.ads.googleads.v0.common.KeywordPlanHistoricalMetrics keyword_idea_metrics = 3;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_keyword_service.proto b/google/ads/googleads/v0/services/keyword_plan_keyword_service.proto
new file mode 100644
index 000000000..327ac664d
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_keyword_service.proto
@@ -0,0 +1,101 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/keyword_plan_keyword.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanKeywordServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan keyword service.
+
+// Service to manage Keyword Plan ad group keywords.
+service KeywordPlanKeywordService {
+  // Returns the requested Keyword Plan keyword in full detail.
+  rpc GetKeywordPlanKeyword(GetKeywordPlanKeywordRequest) returns (google.ads.googleads.v0.resources.KeywordPlanKeyword) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordPlanKeywords/*}"
+    };
+  }
+
+  // Creates, updates, or removes Keyword Plan keywords. Operation statuses are
+  // returned.
+  rpc MutateKeywordPlanKeywords(MutateKeywordPlanKeywordsRequest) returns (MutateKeywordPlanKeywordsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/keywordPlanKeywords:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [KeywordPlanKeywordService.GetKeywordPlanKeyword][google.ads.googleads.v0.services.KeywordPlanKeywordService.GetKeywordPlanKeyword].
+message GetKeywordPlanKeywordRequest {
+  // The resource name of the ad group keyword to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [KeywordPlanKeywordService.MutateKeywordPlanKeywords][google.ads.googleads.v0.services.KeywordPlanKeywordService.MutateKeywordPlanKeywords].
+message MutateKeywordPlanKeywordsRequest {
+  // The ID of the customer whose Keyword Plan keywords are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual Keyword Plan keywords.
+  repeated KeywordPlanKeywordOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a Keyword Plan keyword.
+message KeywordPlanKeywordOperation {
+  // The FieldMask that determines which resource fields are modified in an
+  // update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new Keyword Plan
+    // ad group keyword.
+    google.ads.googleads.v0.resources.KeywordPlanKeyword create = 1;
+
+    // Update operation: The Keyword Plan keyword is expected to have a valid
+    // resource name.
+    google.ads.googleads.v0.resources.KeywordPlanKeyword update = 2;
+
+    // Remove operation: A resource name for the removed Keyword Plan keyword is
+    // expected, in this format:
+    //
+    // `customers/{customer_id}/keywordPlanKeywords/{kp_ad_group_keyword_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a Keyword Plan keyword mutate.
+message MutateKeywordPlanKeywordsResponse {
+  // All results for the mutate.
+  repeated MutateKeywordPlanKeywordResult results = 2;
+}
+
+// The result for the Keyword Plan keyword mutate.
+message MutateKeywordPlanKeywordResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_negative_keyword_service.proto b/google/ads/googleads/v0/services/keyword_plan_negative_keyword_service.proto
new file mode 100644
index 000000000..0d924ef6d
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_negative_keyword_service.proto
@@ -0,0 +1,106 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/keyword_plan_negative_keyword.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanNegativeKeywordServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan negative keyword service.
+
+// Service to manage Keyword Plan negative keywords.
+service KeywordPlanNegativeKeywordService {
+  // Returns the requested plan in full detail.
+  rpc GetKeywordPlanNegativeKeyword(GetKeywordPlanNegativeKeywordRequest) returns (google.ads.googleads.v0.resources.KeywordPlanNegativeKeyword) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordPlanNegativeKeywords/*}"
+    };
+  }
+
+  // Creates, updates, or removes Keyword Plan negative keywords. Operation
+  // statuses are returned.
+  rpc MutateKeywordPlanNegativeKeywords(MutateKeywordPlanNegativeKeywordsRequest) returns (MutateKeywordPlanNegativeKeywordsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/keywordPlanNegativeKeywords:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for
+// [KeywordPlanNegativeKeywordService.GetKeywordPlanNegativeKeyword][google.ads.googleads.v0.services.KeywordPlanNegativeKeywordService.GetKeywordPlanNegativeKeyword].
+message GetKeywordPlanNegativeKeywordRequest {
+  // The resource name of the plan to fetch.
+  string resource_name = 1;
+}
+
+// Request message for
+// [KeywordPlanNegativeKeywordService.MutateKeywordPlanNegativeKeywords][google.ads.googleads.v0.services.KeywordPlanNegativeKeywordService.MutateKeywordPlanNegativeKeywords].
+message MutateKeywordPlanNegativeKeywordsRequest {
+  // The ID of the customer whose negative keywords are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual Keyword Plan negative
+  // keywords.
+  repeated KeywordPlanNegativeKeywordOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a Keyword Plan negative
+// keyword.
+message KeywordPlanNegativeKeywordOperation {
+  // The FieldMask that determines which resource fields are modified in an
+  // update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new Keyword Plan
+    // negative keyword.
+    google.ads.googleads.v0.resources.KeywordPlanNegativeKeyword create = 1;
+
+    // Update operation: The Keyword Plan negative keyword expected to have a
+    // valid resource name.
+    google.ads.googleads.v0.resources.KeywordPlanNegativeKeyword update = 2;
+
+    // Remove operation: A resource name for the removed Keyword Plan negative
+    // keywords expected in this format:
+    //
+    //
+    // `customers/{customer_id}/keywordPlanNegativeKeywords/{kp_negative_keyword_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a Keyword Plan negative keyword mutate.
+message MutateKeywordPlanNegativeKeywordsResponse {
+  // All results for the mutate.
+  repeated MutateKeywordPlanNegativeKeywordResult results = 2;
+}
+
+// The result for the Keyword Plan negative keyword mutate.
+message MutateKeywordPlanNegativeKeywordResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/keyword_plan_service.proto b/google/ads/googleads/v0/services/keyword_plan_service.proto
new file mode 100644
index 000000000..ea7cd0764
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_plan_service.proto
@@ -0,0 +1,219 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/common/keyword_plan_common.proto";
+import "google/ads/googleads/v0/resources/keyword_plan.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+import "google/protobuf/wrappers.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordPlanServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the keyword plan service.
+
+// Service to manage keyword plans.
+service KeywordPlanService {
+  // Returns the requested plan in full detail.
+  rpc GetKeywordPlan(GetKeywordPlanRequest) returns (google.ads.googleads.v0.resources.KeywordPlan) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordPlans/*}"
+    };
+  }
+
+  // Creates, updates, or removes keyword plans. Operation statuses are
+  // returned.
+  rpc MutateKeywordPlans(MutateKeywordPlansRequest) returns (MutateKeywordPlansResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/keywordPlans:mutate"
+      body: "*"
+    };
+  }
+
+  // Returns the requested Keyword Plan forecasts.
+  rpc GenerateForecastMetrics(GenerateForecastMetricsRequest) returns (GenerateForecastMetricsResponse) {
+    option (google.api.http) = {
+      post: "/v0/{keyword_plan=customers/*/keywordPlans/*}:generateForecastMetrics"
+      body: "*"
+    };
+  }
+
+  // Returns the requested Keyword Plan historical metrics.
+  rpc GenerateHistoricalMetrics(GenerateHistoricalMetricsRequest) returns (GenerateHistoricalMetricsResponse) {
+    option (google.api.http) = {
+      post: "/v0/{keyword_plan=customers/*/keywordPlans/*}:generateHistoricalMetrics"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [KeywordPlanService.GetKeywordPlan][google.ads.googleads.v0.services.KeywordPlanService.GetKeywordPlan].
+message GetKeywordPlanRequest {
+  // The resource name of the plan to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [KeywordPlanService.MutateKeywordPlans][google.ads.googleads.v0.services.KeywordPlanService.MutateKeywordPlans].
+message MutateKeywordPlansRequest {
+  // The ID of the customer whose keyword plans are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual keyword plans.
+  repeated KeywordPlanOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on a keyword plan.
+message KeywordPlanOperation {
+  // The FieldMask that determines which resource fields are modified in an
+  // update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new keyword plan.
+    google.ads.googleads.v0.resources.KeywordPlan create = 1;
+
+    // Update operation: The keyword plan is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.KeywordPlan update = 2;
+
+    // Remove operation: A resource name for the removed keyword plan is
+    // expected in this format:
+    //
+    // `customers/{customer_id}/keywordPlans/{keyword_plan_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a keyword plan mutate.
+message MutateKeywordPlansResponse {
+  // All results for the mutate.
+  repeated MutateKeywordPlansResult results = 2;
+}
+
+// The result for the keyword plan mutate.
+message MutateKeywordPlansResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
+
+// Request message for [KeywordPlanService.GenerateForecastMetrics][google.ads.googleads.v0.services.KeywordPlanService.GenerateForecastMetrics].
+message GenerateForecastMetricsRequest {
+  // The resource name of the keyword plan to be forecasted.
+  string keyword_plan = 1;
+}
+
+// Response message for [KeywordPlanService.GenerateForecastMetrics][google.ads.googleads.v0.services.KeywordPlanService.GenerateForecastMetrics].
+message GenerateForecastMetricsResponse {
+  // List of campaign forecasts.
+  // One maximum.
+  repeated KeywordPlanCampaignForecast campaign_forecasts = 1;
+
+  // List of ad group forecasts.
+  repeated KeywordPlanAdGroupForecast ad_group_forecasts = 2;
+
+  // List of keyword forecasts.
+  repeated KeywordPlanKeywordForecast keyword_forecasts = 3;
+}
+
+// A campaign forecast.
+message KeywordPlanCampaignForecast {
+  // The resource name of the Keyword Plan campaign related to the forecast.
+  //
+  // `customers/{customer_id}/keywordPlanCampaigns/{keyword+plan_campaign_id}`
+  google.protobuf.StringValue keyword_plan_campaign = 1;
+
+  // The forecast for the Keyword Plan campaign.
+  ForecastMetrics campaign_forecast = 2;
+}
+
+// An ad group forecast.
+message KeywordPlanAdGroupForecast {
+  // The resource name of the Keyword Plan ad group related to the forecast.
+  //
+  // `customers/{customer_id}/keywordPlanAdGroups/{keyword_plan_ad_group_id}`
+  google.protobuf.StringValue keyword_plan_ad_group = 1;
+
+  // The forecast for the Keyword Plan ad group.
+  ForecastMetrics ad_group_forecast = 2;
+}
+
+// A keyword forecast.
+message KeywordPlanKeywordForecast {
+  // The resource name of the Keyword Plan keyword related to the forecast.
+  //
+  //
+  // `customers/{customer_id}/keywordPlanAdGroupKeywords/{keyword_plan_ad_group_keyword_id}`
+  google.protobuf.StringValue keyword_plan_ad_group_keyword = 1;
+
+  // The forecast for the Keyword Plan keyword.
+  ForecastMetrics keyword_forecast = 2;
+}
+
+// Forecast metrics.
+message ForecastMetrics {
+  // Impressions
+  google.protobuf.DoubleValue impressions = 1;
+
+  // Ctr
+  google.protobuf.DoubleValue ctr = 2;
+
+  // AVG cpc
+  google.protobuf.Int64Value average_cpc = 3;
+
+  // Clicks
+  google.protobuf.DoubleValue clicks = 5;
+
+  // Cost
+  google.protobuf.Int64Value cost_micros = 6;
+}
+
+// Request message for [KeywordPlanService.GenerateHistoricalMetrics][google.ads.googleads.v0.services.KeywordPlanService.GenerateHistoricalMetrics].
+message GenerateHistoricalMetricsRequest {
+  // The resource name of the keyword plan of which historical metrics are
+  // requested.
+  string keyword_plan = 1;
+}
+
+// Response message for [KeywordPlanService.GenerateHistoricalMetrics][google.ads.googleads.v0.services.KeywordPlanService.GenerateHistoricalMetrics].
+message GenerateHistoricalMetricsResponse {
+  // List of keyword historical metrics.
+  repeated KeywordPlanKeywordHistoricalMetrics metrics = 1;
+}
+
+// A keyword historical metrics.
+message KeywordPlanKeywordHistoricalMetrics {
+  // The text of the query associated with one or more ad_group_keywords in the
+  // plan.
+  //
+  // Note that we de-dupe your keywords list, eliminating close variants before
+  // returning the plan's keywords as text. For example, if your plan originally
+  // contained the keywords 'car' and 'cars', the returned search query will
+  // only contain 'car'.
+  //
+  google.protobuf.StringValue search_query = 1;
+
+  // The historical metrics for the query associated with one or more
+  // ad_group_keywords in the plan.
+  google.ads.googleads.v0.common.KeywordPlanHistoricalMetrics keyword_metrics = 2;
+}
diff --git a/google/ads/googleads/v0/services/keyword_view_service.proto b/google/ads/googleads/v0/services/keyword_view_service.proto
new file mode 100644
index 000000000..49b7b89c2
--- /dev/null
+++ b/google/ads/googleads/v0/services/keyword_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/keyword_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "KeywordViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Keyword View service.
+
+// Service to manage keyword views.
+service KeywordViewService {
+  // Returns the requested keyword view in full detail.
+  rpc GetKeywordView(GetKeywordViewRequest) returns (google.ads.googleads.v0.resources.KeywordView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/keywordViews/*}"
+    };
+  }
+}
+
+// Request message for [KeywordViewService.GetKeywordView][google.ads.googleads.v0.services.KeywordViewService.GetKeywordView].
+message GetKeywordViewRequest {
+  // The resource name of the keyword view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/language_constant_service.proto b/google/ads/googleads/v0/services/language_constant_service.proto
new file mode 100644
index 000000000..4f4e41092
--- /dev/null
+++ b/google/ads/googleads/v0/services/language_constant_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/language_constant.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "LanguageConstantServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the language constant service.
+
+// Service to fetch language constants.
+service LanguageConstantService {
+  // Returns the requested language constant.
+  rpc GetLanguageConstant(GetLanguageConstantRequest) returns (google.ads.googleads.v0.resources.LanguageConstant) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=languageConstants/*}"
+    };
+  }
+}
+
+// Request message for [LanguageConstantService.GetLanguageConstant][google.ads.googleads.v0.services.LanguageConstantService.GetLanguageConstant].
+message GetLanguageConstantRequest {
+  // Resource name of the language constant to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/managed_placement_view_service.proto b/google/ads/googleads/v0/services/managed_placement_view_service.proto
new file mode 100644
index 000000000..70d6dec0f
--- /dev/null
+++ b/google/ads/googleads/v0/services/managed_placement_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/managed_placement_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "ManagedPlacementViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Managed Placement View service.
+
+// Service to manage Managed Placement views.
+service ManagedPlacementViewService {
+  // Returns the requested Managed Placement view in full detail.
+  rpc GetManagedPlacementView(GetManagedPlacementViewRequest) returns (google.ads.googleads.v0.resources.ManagedPlacementView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/managedPlacementViews/*}"
+    };
+  }
+}
+
+// Request message for [ManagedPlacementViewService.GetManagedPlacementView][google.ads.googleads.v0.services.ManagedPlacementViewService.GetManagedPlacementView].
+message GetManagedPlacementViewRequest {
+  // The resource name of the Managed Placement View to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/media_file_service.proto b/google/ads/googleads/v0/services/media_file_service.proto
new file mode 100644
index 000000000..d54ae1e18
--- /dev/null
+++ b/google/ads/googleads/v0/services/media_file_service.proto
@@ -0,0 +1,84 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/media_file.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "MediaFileServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Media File service.
+
+// Service to manage media files.
+service MediaFileService {
+  // Returns the requested media file in full detail.
+  rpc GetMediaFile(GetMediaFileRequest) returns (google.ads.googleads.v0.resources.MediaFile) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/mediaFiles/*}"
+    };
+  }
+
+  // Creates media files. Operation statuses are returned.
+  rpc MutateMediaFiles(MutateMediaFilesRequest) returns (MutateMediaFilesResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/mediaFiles:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [MediaFileService.GetMediaFile][google.ads.googleads.v0.services.MediaFileService.GetMediaFile]
+message GetMediaFileRequest {
+  // The resource name of the media file to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [MediaFileService.MutateMediaFiles][google.ads.googleads.v0.services.MediaFileService.MutateMediaFiles]
+message MutateMediaFilesRequest {
+  // The ID of the customer whose media files are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual media file.
+  repeated MediaFileOperation operations = 2;
+}
+
+// A single operation to create media file.
+message MediaFileOperation {
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new media file.
+    google.ads.googleads.v0.resources.MediaFile create = 1;
+  }
+}
+
+// Response message for a media file mutate.
+message MutateMediaFilesResponse {
+  // All results for the mutate.
+  repeated MutateMediaFileResult results = 2;
+}
+
+// The result for the media file mutate.
+message MutateMediaFileResult {
+  // The resource name returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/parental_status_view_service.proto b/google/ads/googleads/v0/services/parental_status_view_service.proto
new file mode 100644
index 000000000..d609d7478
--- /dev/null
+++ b/google/ads/googleads/v0/services/parental_status_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/parental_status_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "ParentalStatusViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Parental Status View service.
+
+// Service to manage parental status views.
+service ParentalStatusViewService {
+  // Returns the requested parental status view in full detail.
+  rpc GetParentalStatusView(GetParentalStatusViewRequest) returns (google.ads.googleads.v0.resources.ParentalStatusView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/parentalStatusViews/*}"
+    };
+  }
+}
+
+// Request message for [ParentalStatusViewService.GetParentalStatusView][google.ads.googleads.v0.services.ParentalStatusViewService.GetParentalStatusView].
+message GetParentalStatusViewRequest {
+  // The resource name of the parental status view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/payments_account_service.proto b/google/ads/googleads/v0/services/payments_account_service.proto
new file mode 100644
index 000000000..d76e91168
--- /dev/null
+++ b/google/ads/googleads/v0/services/payments_account_service.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/payments_account.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "PaymentsAccountServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Payments account service.
+
+// Service to provide Payments accounts that can be used to set up consolidated
+// billing.
+service PaymentsAccountService {
+  // Returns all Payments accounts associated with all managers
+  // between the login customer ID and specified serving customer in the
+  // hierarchy, inclusive.
+  rpc ListPaymentsAccounts(ListPaymentsAccountsRequest) returns (ListPaymentsAccountsResponse) {
+    option (google.api.http) = {
+      get: "/v0/customers/{customer_id=*}/paymentsAccounts"
+    };
+  }
+}
+
+// Request message for fetching all accessible Payments accounts.
+message ListPaymentsAccountsRequest {
+  // The ID of the customer to apply the PaymentsAccount list operation to.
+  string customer_id = 1;
+}
+
+// Response message for [PaymentsAccountService.ListPaymentsAccounts][google.ads.googleads.v0.services.PaymentsAccountService.ListPaymentsAccounts].
+message ListPaymentsAccountsResponse {
+  // The list of accessible Payments accounts.
+  repeated google.ads.googleads.v0.resources.PaymentsAccount payments_accounts = 1;
+}
diff --git a/google/ads/googleads/v0/services/product_group_view_service.proto b/google/ads/googleads/v0/services/product_group_view_service.proto
new file mode 100644
index 000000000..d4923307c
--- /dev/null
+++ b/google/ads/googleads/v0/services/product_group_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/product_group_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "ProductGroupViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the ProductGroup View service.
+
+// Service to manage product group views.
+service ProductGroupViewService {
+  // Returns the requested product group view in full detail.
+  rpc GetProductGroupView(GetProductGroupViewRequest) returns (google.ads.googleads.v0.resources.ProductGroupView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/productGroupViews/*}"
+    };
+  }
+}
+
+// Request message for [ProductGroupViewService.GetProductGroupView][google.ads.googleads.v0.services.ProductGroupViewService.GetProductGroupView].
+message GetProductGroupViewRequest {
+  // The resource name of the product group view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/recommendation_service.proto b/google/ads/googleads/v0/services/recommendation_service.proto
new file mode 100644
index 000000000..ede15fe9b
--- /dev/null
+++ b/google/ads/googleads/v0/services/recommendation_service.proto
@@ -0,0 +1,204 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/enums/keyword_match_type.proto";
+import "google/ads/googleads/v0/resources/ad.proto";
+import "google/ads/googleads/v0/resources/recommendation.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/wrappers.proto";
+import "google/rpc/status.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "RecommendationServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Recommendation service.
+
+// Service to manage recommendations.
+service RecommendationService {
+  // Returns the requested recommendation in full detail.
+  rpc GetRecommendation(GetRecommendationRequest) returns (google.ads.googleads.v0.resources.Recommendation) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/recommendations/*}"
+    };
+  }
+
+  // Applies given recommendations with corresponding apply parameters.
+  rpc ApplyRecommendation(ApplyRecommendationRequest) returns (ApplyRecommendationResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/recommendations:apply"
+      body: "*"
+    };
+  }
+
+  // Dismisses given recommendations.
+  rpc DismissRecommendation(DismissRecommendationRequest) returns (DismissRecommendationResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/recommendations:dismiss"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [RecommendationService.GetRecommendation][google.ads.googleads.v0.services.RecommendationService.GetRecommendation].
+message GetRecommendationRequest {
+  // The resource name of the recommendation to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [RecommendationService.ApplyRecommendation][google.ads.googleads.v0.services.RecommendationService.ApplyRecommendation].
+message ApplyRecommendationRequest {
+  // The ID of the customer with the recommendation.
+  string customer_id = 1;
+
+  // If true, successful operations will be carried out and invalid
+  // operations will return errors. If false, operations will be carried
+  // out as a transaction if and only if they are all valid.
+  // Default is false.
+  bool partial_failure = 3;
+
+  // The list of operations to apply recommendations.
+  // If partial_failure=false all recommendations should be of the same type
+  // There is a limit of 100 operations per request.
+  repeated ApplyRecommendationOperation operations = 2;
+}
+
+// Information about the operation to apply a recommendation and any parameters
+// to
+// customize it.
+message ApplyRecommendationOperation {
+  // Parameters to use when applying a campaign budget recommendation.
+  message CampaignBudgetParameters {
+    // New budget amount to set for target budget resource. This is a required
+    // field.
+    google.protobuf.Int64Value new_budget_amount_micros = 1;
+  }
+
+  // Parameters to use when applying a text ad recommendation.
+  message TextAdParameters {
+    // New ad to add to recommended ad group. All necessary fields need to be
+    // set in this message. This is a required field.
+    google.ads.googleads.v0.resources.Ad ad = 1;
+  }
+
+  // Parameters to use when applying keyword recommendation.
+  message KeywordParameters {
+    // The ad group resource to add keyword to. This is a required field.
+    google.protobuf.StringValue ad_group = 1;
+
+    // The match type of the keyword. This is a required field.
+    google.ads.googleads.v0.enums.KeywordMatchTypeEnum.KeywordMatchType match_type = 2;
+
+    // Optional, CPC bid to set for the keyword. If not set, keyword will use
+    // bid based on bidding strategy used by target ad group.
+    google.protobuf.Int64Value cpc_bid_micros = 3;
+  }
+
+  // Parameters to use when applying Target CPA recommendation.
+  message TargetCpaOptInParameters {
+    // Average CPA to use for Target CPA bidding strategy. This is a required
+    // field.
+    google.protobuf.Int64Value target_cpa_micros = 1;
+
+    // Optional, budget amount to set for the campaign.
+    google.protobuf.Int64Value new_campaign_budget_amount_micros = 2;
+  }
+
+  // The resource name of the recommendation to apply.
+  string resource_name = 1;
+
+  // Parameters to use when applying the recommendation.
+  oneof apply_parameters {
+    // Optional parameters to use when applying a campaign budget
+    // recommendation.
+    CampaignBudgetParameters campaign_budget = 2;
+
+    // Optional parameters to use when applying a text ad recommendation.
+    TextAdParameters text_ad = 3;
+
+    // Optional parameters to use when applying keyword recommendation.
+    KeywordParameters keyword = 4;
+
+    // Optional parameters to use when applying target CPA opt-in
+    // recommendation.
+    TargetCpaOptInParameters target_cpa_opt_in = 5;
+  }
+}
+
+// Response message for [RecommendationService.ApplyRecommendation][google.ads.googleads.v0.services.RecommendationService.ApplyRecommendation].
+message ApplyRecommendationResponse {
+  // Results of operations to apply recommendations.
+  repeated ApplyRecommendationResult results = 1;
+
+  // Errors that pertain to operation failures in the partial failure mode.
+  // Returned only when partial_failure = true and all errors occur inside the
+  // operations. If any errors occur outside the operations (e.g. auth errors)
+  // we return the RPC level error.
+  google.rpc.Status partial_failure_error = 2;
+}
+
+// The result of applying a recommendation.
+message ApplyRecommendationResult {
+  // Returned for successful applies.
+  string resource_name = 1;
+}
+
+// Request message for [RecommendationService.DismissRecommendation][google.ads.googleads.v0.services.RecommendationService.DismissRecommendation].
+message DismissRecommendationRequest {
+  // Operation to dismiss a single recommendation identified by resource_name.
+  message DismissRecommendationOperation {
+    // The resource name of the recommendation to dismiss.
+    string resource_name = 1;
+  }
+
+  // The ID of the customer with the recommendation.
+  string customer_id = 1;
+
+  // If true, successful operations will be carried out and invalid
+  // operations will return errors. If false, operations will be carried in a
+  // single transaction if and only if they are all valid.
+  // Default is false.
+  bool partial_failure = 2;
+
+  // The list of operations to dismiss recommendations.
+  // If partial_failure=false all recommendations should be of the same type
+  // There is a limit of 100 operations per request.
+  repeated DismissRecommendationOperation operations = 3;
+}
+
+// Response message for [RecommendationService.DismissRecommendation][google.ads.googleads.v0.services.RecommendationService.DismissRecommendation].
+message DismissRecommendationResponse {
+  // The result of dismissing a recommendation.
+  message DismissRecommendationResult {
+    // Returned for successful dismissals.
+    string resource_name = 1;
+  }
+
+  // Results of operations to dismiss recommendations.
+  repeated DismissRecommendationResult results = 1;
+
+  // Errors that pertain to operation failures in the partial failure mode.
+  // Returned only when partial_failure = true and all errors occur inside the
+  // operations. If any errors occur outside the operations (e.g. auth errors)
+  // we return the RPC level error.
+  google.rpc.Status partial_failure_error = 2;
+}
diff --git a/google/ads/googleads/v0/services/search_term_view_service.proto b/google/ads/googleads/v0/services/search_term_view_service.proto
new file mode 100644
index 000000000..66cce1403
--- /dev/null
+++ b/google/ads/googleads/v0/services/search_term_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/search_term_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "SearchTermViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+
+
+// Service to manage search term views.
+service SearchTermViewService {
+  // Returns the attributes of the requested search term view.
+  rpc GetSearchTermView(GetSearchTermViewRequest) returns (google.ads.googleads.v0.resources.SearchTermView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/searchTermViews/*}"
+    };
+  }
+}
+
+// Request message for [SearchTermViewService.GetSearchTermView][google.ads.googleads.v0.services.SearchTermViewService.GetSearchTermView].
+message GetSearchTermViewRequest {
+  // The resource name of the search term view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/shared_criterion_service.proto b/google/ads/googleads/v0/services/shared_criterion_service.proto
new file mode 100644
index 000000000..ef32ec990
--- /dev/null
+++ b/google/ads/googleads/v0/services/shared_criterion_service.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/shared_criterion.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "SharedCriterionServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Shared Criterion service.
+
+// Service to manage shared criteria.
+service SharedCriterionService {
+  // Returns the requested shared criterion in full detail.
+  rpc GetSharedCriterion(GetSharedCriterionRequest) returns (google.ads.googleads.v0.resources.SharedCriterion) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/sharedCriteria/*}"
+    };
+  }
+
+  // Creates or removes shared criteria. Operation statuses are returned.
+  rpc MutateSharedCriteria(MutateSharedCriteriaRequest) returns (MutateSharedCriteriaResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/sharedCriteria:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [SharedCriterionService.GetSharedCriterion][google.ads.googleads.v0.services.SharedCriterionService.GetSharedCriterion].
+message GetSharedCriterionRequest {
+  // The resource name of the shared criterion to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [SharedCriterionService.MutateSharedCriteria][google.ads.googleads.v0.services.SharedCriterionService.MutateSharedCriteria].
+message MutateSharedCriteriaRequest {
+  // The ID of the customer whose shared criteria are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual shared criteria.
+  repeated SharedCriterionOperation operations = 2;
+}
+
+// A single operation (create, remove) on an shared criterion.
+message SharedCriterionOperation {
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new shared
+    // criterion.
+    google.ads.googleads.v0.resources.SharedCriterion create = 1;
+
+    // Remove operation: A resource name for the removed shared criterion is
+    // expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/sharedCriteria/{shared_set_id}_{criterion_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a shared criterion mutate.
+message MutateSharedCriteriaResponse {
+  // All results for the mutate.
+  repeated MutateSharedCriterionResult results = 2;
+}
+
+// The result for the shared criterion mutate.
+message MutateSharedCriterionResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/shared_set_service.proto b/google/ads/googleads/v0/services/shared_set_service.proto
new file mode 100644
index 000000000..476e21951
--- /dev/null
+++ b/google/ads/googleads/v0/services/shared_set_service.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/shared_set.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "SharedSetServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Shared Set service.
+
+// Service to manage shared sets.
+service SharedSetService {
+  // Returns the requested shared set in full detail.
+  rpc GetSharedSet(GetSharedSetRequest) returns (google.ads.googleads.v0.resources.SharedSet) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/sharedSets/*}"
+    };
+  }
+
+  // Creates, updates, or removes shared sets. Operation statuses are returned.
+  rpc MutateSharedSets(MutateSharedSetsRequest) returns (MutateSharedSetsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/sharedSets:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [SharedSetService.GetSharedSet][google.ads.googleads.v0.services.SharedSetService.GetSharedSet].
+message GetSharedSetRequest {
+  // The resource name of the shared set to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [SharedSetService.MutateSharedSets][google.ads.googleads.v0.services.SharedSetService.MutateSharedSets].
+message MutateSharedSetsRequest {
+  // The ID of the customer whose shared sets are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual shared sets.
+  repeated SharedSetOperation operations = 2;
+}
+
+// A single operation (create, update, remove) on an shared set.
+message SharedSetOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new shared set.
+    google.ads.googleads.v0.resources.SharedSet create = 1;
+
+    // Update operation: The shared set is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.SharedSet update = 2;
+
+    // Remove operation: A resource name for the removed shared set is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/sharedSets/{shared_set_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for a shared set mutate.
+message MutateSharedSetsResponse {
+  // All results for the mutate.
+  repeated MutateSharedSetResult results = 2;
+}
+
+// The result for the shared set mutate.
+message MutateSharedSetResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/topic_constant_service.proto b/google/ads/googleads/v0/services/topic_constant_service.proto
new file mode 100644
index 000000000..b26256f07
--- /dev/null
+++ b/google/ads/googleads/v0/services/topic_constant_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/topic_constant.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "TopicConstantServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Topic constant service
+
+// Service to fetch topic constants.
+service TopicConstantService {
+  // Returns the requested topic constant in full detail.
+  rpc GetTopicConstant(GetTopicConstantRequest) returns (google.ads.googleads.v0.resources.TopicConstant) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=topicConstants/*}"
+    };
+  }
+}
+
+// Request message for [TopicConstantService.GetTopicConstant][google.ads.googleads.v0.services.TopicConstantService.GetTopicConstant].
+message GetTopicConstantRequest {
+  // Resource name of the Topic to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/topic_view_service.proto b/google/ads/googleads/v0/services/topic_view_service.proto
new file mode 100644
index 000000000..07c62a693
--- /dev/null
+++ b/google/ads/googleads/v0/services/topic_view_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/topic_view.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "TopicViewServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Topic View service.
+
+// Service to manage topic views.
+service TopicViewService {
+  // Returns the requested topic view in full detail.
+  rpc GetTopicView(GetTopicViewRequest) returns (google.ads.googleads.v0.resources.TopicView) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/topicViews/*}"
+    };
+  }
+}
+
+// Request message for [TopicViewService.GetTopicView][google.ads.googleads.v0.services.TopicViewService.GetTopicView].
+message GetTopicViewRequest {
+  // The resource name of the topic view to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/user_interest_service.proto b/google/ads/googleads/v0/services/user_interest_service.proto
new file mode 100644
index 000000000..c97eaa985
--- /dev/null
+++ b/google/ads/googleads/v0/services/user_interest_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/user_interest.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "UserInterestServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the user interest service
+
+// Service to fetch Google Ads User Interest.
+service UserInterestService {
+  // Returns the requested user interest in full detail
+  rpc GetUserInterest(GetUserInterestRequest) returns (google.ads.googleads.v0.resources.UserInterest) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/userInterests/*}"
+    };
+  }
+}
+
+// Request message for [UserInterestService.GetUserInterest][google.ads.googleads.v0.services.UserInterestService.GetUserInterest].
+message GetUserInterestRequest {
+  // Resource name of the UserInterest to fetch.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/user_list_service.proto b/google/ads/googleads/v0/services/user_list_service.proto
new file mode 100644
index 000000000..96f07710b
--- /dev/null
+++ b/google/ads/googleads/v0/services/user_list_service.proto
@@ -0,0 +1,98 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/user_list.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "UserListServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the User List service.
+
+// Service to manage user lists.
+service UserListService {
+  // Returns the requested user list.
+  rpc GetUserList(GetUserListRequest) returns (google.ads.googleads.v0.resources.UserList) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/userLists/*}"
+    };
+  }
+
+  // Creates or updates user lists. Operation statuses are returned.
+  rpc MutateUserLists(MutateUserListsRequest) returns (MutateUserListsResponse) {
+    option (google.api.http) = {
+      post: "/v0/customers/{customer_id=*}/userLists:mutate"
+      body: "*"
+    };
+  }
+}
+
+// Request message for [UserListService.GetUserList][google.ads.googleads.v0.services.UserListService.GetUserList].
+message GetUserListRequest {
+  // The resource name of the user list to fetch.
+  string resource_name = 1;
+}
+
+// Request message for [UserListService.MutateUserLists][google.ads.googleads.v0.services.UserListService.MutateUserLists].
+message MutateUserListsRequest {
+  // The ID of the customer whose user lists are being modified.
+  string customer_id = 1;
+
+  // The list of operations to perform on individual user lists.
+  repeated UserListOperation operations = 2;
+}
+
+// A single operation (create, update) on a user list.
+message UserListOperation {
+  // FieldMask that determines which resource fields are modified in an update.
+  google.protobuf.FieldMask update_mask = 4;
+
+  // The mutate operation.
+  oneof operation {
+    // Create operation: No resource name is expected for the new user list.
+    google.ads.googleads.v0.resources.UserList create = 1;
+
+    // Update operation: The user list is expected to have a valid resource
+    // name.
+    google.ads.googleads.v0.resources.UserList update = 2;
+
+    // Remove operation: A resource name for the removed user list is expected,
+    // in this format:
+    //
+    // `customers/{customer_id}/userLists/{user_list_id}`
+    string remove = 3;
+  }
+}
+
+// Response message for user list mutate.
+message MutateUserListsResponse {
+  // All results for the mutate.
+  repeated MutateUserListResult results = 2;
+}
+
+// The result for the user list mutate.
+message MutateUserListResult {
+  // Returned for successful operations.
+  string resource_name = 1;
+}
diff --git a/google/ads/googleads/v0/services/video_service.proto b/google/ads/googleads/v0/services/video_service.proto
new file mode 100644
index 000000000..a68ceed94
--- /dev/null
+++ b/google/ads/googleads/v0/services/video_service.proto
@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.ads.googleads.v0.services;
+
+import "google/ads/googleads/v0/resources/video.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Ads.GoogleAds.V0.Services";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v0/services;services";
+option java_multiple_files = true;
+option java_outer_classname = "VideoServiceProto";
+option java_package = "com.google.ads.googleads.v0.services";
+option objc_class_prefix = "GAA";
+option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Services";
+// Proto file describing the Video service.
+
+// Service to manage videos.
+service VideoService {
+  // Returns the requested video in full detail.
+  rpc GetVideo(GetVideoRequest) returns (google.ads.googleads.v0.resources.Video) {
+    option (google.api.http) = {
+      get: "/v0/{resource_name=customers/*/videos/*}"
+    };
+  }
+}
+
+// Request message for [VideoService.GetVideo][google.ads.googleads.v0.services.VideoService.GetVideo].
+message GetVideoRequest {
+  // The resource name of the video to fetch.
+  string resource_name = 1;
+}