> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/GenerateTargetingSuggestionMetricsRequest).

Request message for `AudienceInsightsService.GenerateTargetingSuggestionMetrics`.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/services/audience_insights_service.proto)

| Fields ||
|---|---|
| ## `audiences[]` | `InsightsAudience` Required. Audiences to request metrics for. `InsightsAudience.country_locations`, `InsightsAudience.gender`, `InsightsAudience.age_ranges` and `InsightsAudience.topic_audience_combinations` are the only supported fields for these audiences. Only `AudienceInsightsAttribute.user_interest` attributes are supported for topic_audience_combinations. |
| ## `customer_id` | `string` Required. The ID of the customer. |
| ## `customer_insights_group` | `string` Optional. The name of the customer being planned for. This is a user-defined value. |
| ## `insights_application_info` | `AdditionalApplicationInfo` Optional. Additional information on the application issuing the request. |