Request message for `https://developers.google.com/google-ads/api/reference/rpc/v26/ContentCreatorInsightsService/GenerateTrendingInsights`.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/services/content_creator_insights_service.proto)

| Fields ||
|---|---|
| ## `country_location` | `https://developers.google.com/google-ads/api/reference/rpc/v26/LocationInfo` Required. The country to find trends in. |
| ## `criteria` Union field. The criteria used to search for trending content. `criteria` can be only one of the following: ||
| ### `search_audience` | `https://developers.google.com/google-ads/api/reference/rpc/v26/SearchAudience` An audience to search for trending content in. Data fetched is based on the country or sub-country locations specified in `https://developers.google.com/google-ads/api/reference/rpc/v26/GenerateTrendingInsightsRequest#country_location` or `https://developers.google.com/google-ads/api/reference/rpc/v26/GenerateTrendingInsightsRequest#sub_country_locations`. |
| ### `search_topics` | `https://developers.google.com/google-ads/api/reference/rpc/v26/SearchTopics` Content topics to return trend information for. |
| ## `customer_id` | `string` Required. The ID of the customer. |
| ## `customer_insights_group` | `string` Required. The name of the customer being planned for. This is a user-defined value. |
| ## `insights_application_info` | `https://developers.google.com/google-ads/api/reference/rpc/v26/AdditionalApplicationInfo` Optional. Additional information on the application issuing the request. |
| ## `sub_country_locations[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/LocationInfo` Optional. The sub-country geographic locations to search that apply to the criteria. Only supported for `search_audience` criteria. |
| ## `supplemental_data[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/ContentCreatorInsightsSupplementalDataEnum.ContentCreatorInsightsSupplementalData` Optional. Optional features to include in the response. By default, only core insight data is returned. Including supplemental data here will populate additional fields in the response. |