> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/ApplyRecommendationOperation.AdAssetApplyParameters.ApplyScope).

Scope to apply the assets to.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/services/recommendation_service.proto)

| Enums ||
|---|---|
| ## `CAMPAIGN` | Apply at the campaign scope. |
| ## `CUSTOMER` | Apply at the customer scope. |
| ## `UNKNOWN` | Unknown. |
| ## `UNSPECIFIED` | The apply scope has not been specified. |