Response message for custom audience mutate.

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

| Fields ||
|---|---|
| ## `results[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/MutateCustomAudienceResult` All results for the mutate. |