The callout asset recommendation.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/resources/recommendation.proto)

| Fields ||
|---|---|
| ## `recommended_campaign_callout_assets[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/Asset` Output only. New callout extension assets recommended at the campaign level. |
| ## `recommended_customer_callout_assets[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/Asset` Output only. New callout extension assets recommended at the customer level. |