/common/segments.proto

--- v17/common/segments.proto   2024-08-07 19:50:30.000000000 +0000
+++ v18/common/segments.proto   2024-10-16 17:56:30.000000000 +0000
@@ -1,510 +1,519 @@
 // Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 syntax = "proto3";

-package google.ads.googleads.v17.common;
+package google.ads.googleads.v18.common;

-import "google/ads/googleads/v17/common/criteria.proto";
-import "google/ads/googleads/v17/enums/ad_destination_type.proto";
-import "google/ads/googleads/v17/enums/ad_format_type.proto";
-import "google/ads/googleads/v17/enums/ad_network_type.proto";
-import "google/ads/googleads/v17/enums/budget_campaign_association_status.proto";
-import "google/ads/googleads/v17/enums/click_type.proto";
-import "google/ads/googleads/v17/enums/conversion_action_category.proto";
-import "google/ads/googleads/v17/enums/conversion_attribution_event_type.proto";
-import "google/ads/googleads/v17/enums/conversion_lag_bucket.proto";
-import "google/ads/googleads/v17/enums/conversion_or_adjustment_lag_bucket.proto";
-import "google/ads/googleads/v17/enums/conversion_value_rule_primary_dimension.proto";
-import "google/ads/googleads/v17/enums/converting_user_prior_engagement_type_and_ltv_bucket.proto";
-import "google/ads/googleads/v17/enums/day_of_week.proto";
-import "google/ads/googleads/v17/enums/device.proto";
-import "google/ads/googleads/v17/enums/external_conversion_source.proto";
-import "google/ads/googleads/v17/enums/hotel_date_selection_type.proto";
-import "google/ads/googleads/v17/enums/hotel_price_bucket.proto";
-import "google/ads/googleads/v17/enums/hotel_rate_type.proto";
-import "google/ads/googleads/v17/enums/month_of_year.proto";
-import "google/ads/googleads/v17/enums/placeholder_type.proto";
-import "google/ads/googleads/v17/enums/product_channel.proto";
-import "google/ads/googleads/v17/enums/product_channel_exclusivity.proto";
-import "google/ads/googleads/v17/enums/product_condition.proto";
-import "google/ads/googleads/v17/enums/recommendation_type.proto";
-import "google/ads/googleads/v17/enums/search_engine_results_page_type.proto";
-import "google/ads/googleads/v17/enums/search_term_match_type.proto";
-import "google/ads/googleads/v17/enums/sk_ad_network_ad_event_type.proto";
-import "google/ads/googleads/v17/enums/sk_ad_network_attribution_credit.proto";
-import "google/ads/googleads/v17/enums/sk_ad_network_coarse_conversion_value.proto";
-import "google/ads/googleads/v17/enums/sk_ad_network_source_type.proto";
-import "google/ads/googleads/v17/enums/sk_ad_network_user_type.proto";
-import "google/ads/googleads/v17/enums/slot.proto";
+import "google/ads/googleads/v18/common/criteria.proto";
+import "google/ads/googleads/v18/enums/ad_destination_type.proto";
+import "google/ads/googleads/v18/enums/ad_format_type.proto";
+import "google/ads/googleads/v18/enums/ad_network_type.proto";
+import "google/ads/googleads/v18/enums/budget_campaign_association_status.proto";
+import "google/ads/googleads/v18/enums/click_type.proto";
+import "google/ads/googleads/v18/enums/conversion_action_category.proto";
+import "google/ads/googleads/v18/enums/conversion_attribution_event_type.proto";
+import "google/ads/googleads/v18/enums/conversion_lag_bucket.proto";
+import "google/ads/googleads/v18/enums/conversion_or_adjustment_lag_bucket.proto";
+import "google/ads/googleads/v18/enums/conversion_value_rule_primary_dimension.proto";
+import "google/ads/googleads/v18/enums/converting_user_prior_engagement_type_and_ltv_bucket.proto";
+import "google/ads/googleads/v18/enums/day_of_week.proto";
+import "google/ads/googleads/v18/enums/device.proto";
+import "google/ads/googleads/v18/enums/external_conversion_source.proto";
+import "google/ads/googleads/v18/enums/hotel_date_selection_type.proto";
+import "google/ads/googleads/v18/enums/hotel_price_bucket.proto";
+import "google/ads/googleads/v18/enums/hotel_rate_type.proto";
+import "google/ads/googleads/v18/enums/month_of_year.proto";
+import "google/ads/googleads/v18/enums/placeholder_type.proto";
+import "google/ads/googleads/v18/enums/product_channel.proto";
+import "google/ads/googleads/v18/enums/product_channel_exclusivity.proto";
+import "google/ads/googleads/v18/enums/product_condition.proto";
+import "google/ads/googleads/v18/enums/recommendation_type.proto";
+import "google/ads/googleads/v18/enums/search_engine_results_page_type.proto";
+import "google/ads/googleads/v18/enums/search_term_match_type.proto";
+import "google/ads/googleads/v18/enums/sk_ad_network_ad_event_type.proto";
+import "google/ads/googleads/v18/enums/sk_ad_network_attribution_credit.proto";
+import "google/ads/googleads/v18/enums/sk_ad_network_coarse_conversion_value.proto";
+import "google/ads/googleads/v18/enums/sk_ad_network_source_type.proto";
+import "google/ads/googleads/v18/enums/sk_ad_network_user_type.proto";
+import "google/ads/googleads/v18/enums/slot.proto";
 import "google/api/resource.proto";

-option csharp_namespace = "Google.Ads.GoogleAds.V17.Common";
-option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v17/common;common";
+option csharp_namespace = "Google.Ads.GoogleAds.V18.Common";
+option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v18/common;common";
 option java_multiple_files = true;
 option java_outer_classname = "SegmentsProto";
-option java_package = "com.google.ads.googleads.v17.common";
+option java_package = "com.google.ads.googleads.v18.common";
 option objc_class_prefix = "GAA";
-option php_namespace = "Google\\Ads\\GoogleAds\\V17\\Common";
-option ruby_package = "Google::Ads::GoogleAds::V17::Common";
+option php_namespace = "Google\\Ads\\GoogleAds\\V18\\Common";
+option ruby_package = "Google::Ads::GoogleAds::V18::Common";

 // Proto file describing segment only fields.

 // Segment only fields.
 message Segments {
   // Activity account ID.
   optional int64 activity_account_id = 148;

   // The city where the travel activity is available.
   optional string activity_city = 185;

   // The country where the travel activity is available.
   optional string activity_country = 186;

   // Activity rating.
   optional int64 activity_rating = 149;

   // The state where the travel activity is available.
   optional string activity_state = 187;

   // Advertiser supplied activity ID.
   optional string external_activity_id = 150;

   // Ad Destination type.
-  google.ads.googleads.v17.enums.AdDestinationTypeEnum.AdDestinationType
+  google.ads.googleads.v18.enums.AdDestinationTypeEnum.AdDestinationType
       ad_destination_type = 136;

   // Ad Format type.
-  google.ads.googleads.v17.enums.AdFormatTypeEnum.AdFormatType ad_format_type =
+  google.ads.googleads.v18.enums.AdFormatTypeEnum.AdFormatType ad_format_type =
       191;

   // Ad network type.
-  google.ads.googleads.v17.enums.AdNetworkTypeEnum.AdNetworkType
+  google.ads.googleads.v18.enums.AdNetworkTypeEnum.AdNetworkType
       ad_network_type = 3;

   // Resource name of the ad group.
   optional string ad_group = 158;

   // Resource name of the asset group.
   optional string asset_group = 159;

   // Domain (visible URL) of a participant in the Auction Insights report.
   optional string auction_insight_domain = 145;

   // Budget campaign association status.
   BudgetCampaignAssociationStatus budget_campaign_association_status = 134;

   // Resource name of the campaign.
   optional string campaign = 157;

   // Click type.
-  google.ads.googleads.v17.enums.ClickTypeEnum.ClickType click_type = 26;
+  google.ads.googleads.v18.enums.ClickTypeEnum.ClickType click_type = 26;

   // Resource name of the conversion action.
   optional string conversion_action = 113 [(google.api.resource_reference) = {
     type: "googleads.googleapis.com/ConversionAction"
   }];

   // Conversion action category.
-  google.ads.googleads.v17.enums.ConversionActionCategoryEnum
+  google.ads.googleads.v18.enums.ConversionActionCategoryEnum
       .ConversionActionCategory conversion_action_category = 53;

   // Conversion action name.
   optional string conversion_action_name = 114;

   // This segments your conversion columns by the original conversion and
   // conversion value versus the delta if conversions were adjusted. False row
   // has the data as originally stated; While true row has the delta between
   // data now and the data as originally stated. Summing the two together
   // results post-adjustment data.
   optional bool conversion_adjustment = 115;

   // Conversion attribution event type.
-  google.ads.googleads.v17.enums.ConversionAttributionEventTypeEnum
+  google.ads.googleads.v18.enums.ConversionAttributionEventTypeEnum
       .ConversionAttributionEventType conversion_attribution_event_type = 2;

   // An enum value representing the number of days between the impression and
   // the conversion.
-  google.ads.googleads.v17.enums.ConversionLagBucketEnum.ConversionLagBucket
+  google.ads.googleads.v18.enums.ConversionLagBucketEnum.ConversionLagBucket
       conversion_lag_bucket = 50;

   // An enum value representing the number of days between the impression and
   // the conversion or between the impression and adjustments to the conversion.
-  google.ads.googleads.v17.enums.ConversionOrAdjustmentLagBucketEnum
+  google.ads.googleads.v18.enums.ConversionOrAdjustmentLagBucketEnum
       .ConversionOrAdjustmentLagBucket conversion_or_adjustment_lag_bucket = 51;

   // Date to which metrics apply.
   // yyyy-MM-dd format, for example, 2018-04-17.
   optional string date = 79;

   // Day of the week, for example, MONDAY.
-  google.ads.googleads.v17.enums.DayOfWeekEnum.DayOfWeek day_of_week = 5;
+  google.ads.googleads.v18.enums.DayOfWeekEnum.DayOfWeek day_of_week = 5;

   // Device to which metrics apply.
-  google.ads.googleads.v17.enums.DeviceEnum.Device device = 1;
+  google.ads.googleads.v18.enums.DeviceEnum.Device device = 1;

   // External conversion source.
-  google.ads.googleads.v17.enums.ExternalConversionSourceEnum
+  google.ads.googleads.v18.enums.ExternalConversionSourceEnum
       .ExternalConversionSource external_conversion_source = 55;

   // Resource name of the geo target constant that represents an airport.
   optional string geo_target_airport = 116;

   // Resource name of the geo target constant that represents a canton.
   optional string geo_target_canton = 117;

   // Resource name of the geo target constant that represents a city.
   optional string geo_target_city = 118;

   // Resource name of the geo target constant that represents a country.
   optional string geo_target_country = 119;

   // Resource name of the geo target constant that represents a county.
   optional string geo_target_county = 120;

   // Resource name of the geo target constant that represents a district.
   optional string geo_target_district = 121;

   // Resource name of the geo target constant that represents a metro.
   optional string geo_target_metro = 122;

   // Resource name of the geo target constant that represents the most
   // specific location.
   optional string geo_target_most_specific_location = 123;

   // Resource name of the geo target constant that represents a postal code.
   optional string geo_target_postal_code = 124;

   // Resource name of the geo target constant that represents a province.
   optional string geo_target_province = 125;

   // Resource name of the geo target constant that represents a region.
   optional string geo_target_region = 126;

   // Resource name of the geo target constant that represents a state.
   optional string geo_target_state = 127;

   // Hotel booking window in days.
   optional int64 hotel_booking_window_days = 135;

   // Hotel center ID.
   optional int64 hotel_center_id = 80;

   // Hotel check-in date. Formatted as yyyy-MM-dd.
   optional string hotel_check_in_date = 81;

   // Hotel check-in day of week.
-  google.ads.googleads.v17.enums.DayOfWeekEnum.DayOfWeek
+  google.ads.googleads.v18.enums.DayOfWeekEnum.DayOfWeek
       hotel_check_in_day_of_week = 9;

   // Hotel city.
   optional string hotel_city = 82;

   // Hotel class.
   optional int32 hotel_class = 83;

   // Hotel country.
   optional string hotel_country = 84;

   // Hotel date selection type.
-  google.ads.googleads.v17.enums.HotelDateSelectionTypeEnum
+  google.ads.googleads.v18.enums.HotelDateSelectionTypeEnum
       .HotelDateSelectionType hotel_date_selection_type = 13;

   // Hotel length of stay.
   optional int32 hotel_length_of_stay = 85;

   // Hotel rate rule ID.
   optional string hotel_rate_rule_id = 86;

   // Hotel rate type.
-  google.ads.googleads.v17.enums.HotelRateTypeEnum.HotelRateType
+  google.ads.googleads.v18.enums.HotelRateTypeEnum.HotelRateType
       hotel_rate_type = 74;

   // Hotel price bucket.
-  google.ads.googleads.v17.enums.HotelPriceBucketEnum.HotelPriceBucket
+  google.ads.googleads.v18.enums.HotelPriceBucketEnum.HotelPriceBucket
       hotel_price_bucket = 78;

   // Hotel state.
   optional string hotel_state = 87;

   // Hour of day as a number between 0 and 23, inclusive.
   optional int32 hour = 88;

   // Only used with feed item metrics.
   // Indicates whether the interaction metrics occurred on the feed item itself
   // or a different extension or ad unit.
   optional bool interaction_on_this_extension = 89;

   // Keyword criterion.
   Keyword keyword = 61;

   // Month as represented by the date of the first day of a month. Formatted as
   // yyyy-MM-dd.
   optional string month = 90;

   // Month of the year, for example, January.
-  google.ads.googleads.v17.enums.MonthOfYearEnum.MonthOfYear month_of_year = 18;
+  google.ads.googleads.v18.enums.MonthOfYearEnum.MonthOfYear month_of_year = 18;

   // Partner hotel ID.
   optional string partner_hotel_id = 91;

   // Placeholder type. This is only used with feed item metrics.
-  google.ads.googleads.v17.enums.PlaceholderTypeEnum.PlaceholderType
+  google.ads.googleads.v18.enums.PlaceholderTypeEnum.PlaceholderType
       placeholder_type = 20;

   // Aggregator ID of the product.
   optional int64 product_aggregator_id = 132;

   // Category (level 1) of the product.
   optional string product_category_level1 = 161;

   // Category (level 2) of the product.
   optional string product_category_level2 = 162;

   // Category (level 3) of the product.
   optional string product_category_level3 = 163;

   // Category (level 4) of the product.
   optional string product_category_level4 = 164;

   // Category (level 5) of the product.
   optional string product_category_level5 = 165;

   // Brand of the product.
   optional string product_brand = 97;

   // Channel of the product.
-  google.ads.googleads.v17.enums.ProductChannelEnum.ProductChannel
+  google.ads.googleads.v18.enums.ProductChannelEnum.ProductChannel
       product_channel = 30;

   // Channel exclusivity of the product.
-  google.ads.googleads.v17.enums.ProductChannelExclusivityEnum
+  google.ads.googleads.v18.enums.ProductChannelExclusivityEnum
       .ProductChannelExclusivity product_channel_exclusivity = 31;

   // Condition of the product.
-  google.ads.googleads.v17.enums.ProductConditionEnum.ProductCondition
+  google.ads.googleads.v18.enums.ProductConditionEnum.ProductCondition
       product_condition = 32;

   // Resource name of the geo target constant for the country of sale of the
   // product.
   optional string product_country = 98;

   // Custom attribute 0 of the product.
   optional string product_custom_attribute0 = 99;

   // Custom attribute 1 of the product.
   optional string product_custom_attribute1 = 100;

   // Custom attribute 2 of the product.
   optional string product_custom_attribute2 = 101;

   // Custom attribute 3 of the product.
   optional string product_custom_attribute3 = 102;

   // Custom attribute 4 of the product.
   optional string product_custom_attribute4 = 103;

   // Feed label of the product.
   optional string product_feed_label = 147;

   // Item ID of the product.
   optional string product_item_id = 104;

   // Resource name of the language constant for the language of the product.
   optional string product_language = 105;

   // Merchant ID of the product.
   optional int64 product_merchant_id = 133;

   // Store ID of the product.
   optional string product_store_id = 106;

   // Title of the product.
   optional string product_title = 107;

   // Type (level 1) of the product.
   optional string product_type_l1 = 108;

   // Type (level 2) of the product.
   optional string product_type_l2 = 109;

   // Type (level 3) of the product.
   optional string product_type_l3 = 110;

   // Type (level 4) of the product.
   optional string product_type_l4 = 111;

   // Type (level 5) of the product.
   optional string product_type_l5 = 112;

   // Quarter as represented by the date of the first day of a quarter.
   // Uses the calendar year for quarters, for example, the second quarter of
   // 2018 starts on 2018-04-01. Formatted as yyyy-MM-dd.
   optional string quarter = 128;

+  // The city the user is searching for at query time.
+  optional string travel_destination_city = 193;
+
+  // The country the user is searching for at query time.
+  optional string travel_destination_country = 194;
+
+  // The region the user is searching for at query time.
+  optional string travel_destination_region = 195;
+
   // Recommendation type.
-  google.ads.googleads.v17.enums.RecommendationTypeEnum.RecommendationType
+  google.ads.googleads.v18.enums.RecommendationTypeEnum.RecommendationType
       recommendation_type = 140;

   // Type of the search engine results page.
-  google.ads.googleads.v17.enums.SearchEngineResultsPageTypeEnum
+  google.ads.googleads.v18.enums.SearchEngineResultsPageTypeEnum
       .SearchEngineResultsPageType search_engine_results_page_type = 70;

   // A search term subcategory. An empty string denotes the catch-all
   // subcategory for search terms that didn't fit into another subcategory.
   optional string search_subcategory = 155;

   // A search term.
   optional string search_term = 156;

   // Match type of the keyword that triggered the ad, including variants.
-  google.ads.googleads.v17.enums.SearchTermMatchTypeEnum.SearchTermMatchType
+  google.ads.googleads.v18.enums.SearchTermMatchTypeEnum.SearchTermMatchType
       search_term_match_type = 22;

   // Position of the ad.
-  google.ads.googleads.v17.enums.SlotEnum.Slot slot = 23;
+  google.ads.googleads.v18.enums.SlotEnum.Slot slot = 23;

   // Primary dimension of applied conversion value rules.
   // NO_RULE_APPLIED shows the total recorded value of conversions that
   // do not have a value rule applied.
   // ORIGINAL shows the original value of conversions to which a value rule
   // has been applied.
-  // GEO_LOCATION, DEVICE, AUDIENCE show the net adjustment after value
-  // rules were applied.
-  google.ads.googleads.v17.enums.ConversionValueRulePrimaryDimensionEnum
+  // GEO_LOCATION, DEVICE, AUDIENCE, ITINERARY show the net adjustment after
+  // value rules were applied.
+  google.ads.googleads.v18.enums.ConversionValueRulePrimaryDimensionEnum
       .ConversionValueRulePrimaryDimension
           conversion_value_rule_primary_dimension = 138;

   // Resource name of the ad group criterion that represents webpage criterion.
   optional string webpage = 129;

   // Week as defined as Monday through Sunday, and represented by the date of
   // Monday. Formatted as yyyy-MM-dd.
   optional string week = 130;

   // Year, formatted as yyyy.
   optional int32 year = 131;

   // iOS Store Kit Ad Network conversion value.
   // Null value means this segment is not applicable, for example, non-iOS
   // campaign.
   optional int64 sk_ad_network_fine_conversion_value = 137;

   // iOS Store Kit Ad Network redistributed fine conversion value.
   //
   // Google uses modeling on observed conversion values(obtained
   // from Apple) to calculate conversions from SKAN postbacks where
   // NULLs are returned. This column represents the sum of the modeled
   // conversion values and the observed conversion values. See
   // https://support.google.com/google-ads/answer/14892597
   // to lean more.
   optional int64 sk_ad_network_redistributed_fine_conversion_value = 190;

   // iOS Store Kit Ad Network user type.
-  google.ads.googleads.v17.enums.SkAdNetworkUserTypeEnum.SkAdNetworkUserType
+  google.ads.googleads.v18.enums.SkAdNetworkUserTypeEnum.SkAdNetworkUserType
       sk_ad_network_user_type = 141;

   // iOS Store Kit Ad Network ad event type.
-  google.ads.googleads.v17.enums.SkAdNetworkAdEventTypeEnum
+  google.ads.googleads.v18.enums.SkAdNetworkAdEventTypeEnum
       .SkAdNetworkAdEventType sk_ad_network_ad_event_type = 142;

   // App where the ad that drove the iOS Store Kit Ad Network install was
   // shown. Null value means this segment is not applicable, for example,
   // non-iOS campaign, or was not present in any postbacks sent by Apple.
   optional SkAdNetworkSourceApp sk_ad_network_source_app = 143;

   // iOS Store Kit Ad Network attribution credit
-  google.ads.googleads.v17.enums.SkAdNetworkAttributionCreditEnum
+  google.ads.googleads.v18.enums.SkAdNetworkAttributionCreditEnum
       .SkAdNetworkAttributionCredit sk_ad_network_attribution_credit = 144;

   // iOS Store Kit Ad Network coarse conversion value.
-  google.ads.googleads.v17.enums.SkAdNetworkCoarseConversionValueEnum
+  google.ads.googleads.v18.enums.SkAdNetworkCoarseConversionValueEnum
       .SkAdNetworkCoarseConversionValue sk_ad_network_coarse_conversion_value =
       151;

   // Website where the ad that drove the iOS Store Kit Ad Network install was
   // shown. Null value means this segment is not applicable, for example,
   // non-iOS campaign, or was not present in any postbacks sent by Apple.
   optional string sk_ad_network_source_domain = 152;

   // The source type where the ad that drove the iOS Store Kit Ad Network
   // install was shown. Null value means this segment is not applicable, for
   // example, non-iOS campaign, or neither source domain nor source app were
   // present in any postbacks sent by Apple.
-  google.ads.googleads.v17.enums.SkAdNetworkSourceTypeEnum.SkAdNetworkSourceType
+  google.ads.googleads.v18.enums.SkAdNetworkSourceTypeEnum.SkAdNetworkSourceType
       sk_ad_network_source_type = 153;

   // iOS Store Kit Ad Network postback sequence index.
   optional int64 sk_ad_network_postback_sequence_index = 154;

   // The version of the SKAdNetwork API used.
   optional string sk_ad_network_version = 192;

   // Only used with CustomerAsset, CampaignAsset and AdGroupAsset metrics.
   // Indicates whether the interaction metrics occurred on the asset itself
   // or a different asset or ad unit.
   // Interactions (for example, clicks) are counted across all the parts of the
   // served ad (for example, Ad itself and other components like Sitelinks) when
   // they are served together. When interaction_on_this_asset is true, it means
   // the interactions are on this specific asset and when
   // interaction_on_this_asset is false, it means the interactions is not on
   // this specific asset but on other parts of the served ad this asset is
   // served with.
   optional AssetInteractionTarget asset_interaction_target = 139;

   // This is for segmenting conversions by whether the user is a new customer
   // or a returning customer. This segmentation is typically used to measure
   // the impact of customer acquisition goal.
-  google.ads.googleads.v17.enums
+  google.ads.googleads.v18.enums
       .ConvertingUserPriorEngagementTypeAndLtvBucketEnum
       .ConvertingUserPriorEngagementTypeAndLtvBucket
           new_versus_returning_customers = 160;
 }

 // A Keyword criterion segment.
 message Keyword {
   // The AdGroupCriterion resource name.
   optional string ad_group_criterion = 3;

   // Keyword info.
   KeywordInfo info = 2;
 }

 // A BudgetCampaignAssociationStatus segment.
 message BudgetCampaignAssociationStatus {
   // The campaign resource name.
   optional string campaign = 1;

   // Budget campaign association status.
-  google.ads.googleads.v17.enums.BudgetCampaignAssociationStatusEnum
+  google.ads.googleads.v18.enums.BudgetCampaignAssociationStatusEnum
       .BudgetCampaignAssociationStatus status = 2;
 }

 // An AssetInteractionTarget segment.
 message AssetInteractionTarget {
   // The asset resource name.
   string asset = 1;

   // Only used with CustomerAsset, CampaignAsset and AdGroupAsset metrics.
   // Indicates whether the interaction metrics occurred on the asset itself or a
   // different asset or ad unit.
   bool interaction_on_this_asset = 2;
 }

 // A SkAdNetworkSourceApp segment.
 message SkAdNetworkSourceApp {
   // App id where the ad that drove the iOS Store Kit Ad Network install was
   // shown.
   optional string sk_ad_network_source_app_id = 1;
 }