Local services info for the asset group.

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

| Fields ||
|---|---|
| ## `callouts[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/LocalServicesCallout` Callouts selected by the advertiser to show. |
| ## `category_id` | `string` Immutable. The local services category associated with this asset group. That is, XCAT format - xcat:service_area_business_plumber. See <https://developers.google.com/google-ads/api/data/codes-formats#local-services-category-ids> This field cannot be modified after the AssetGroup has been created. |