AI-generated Key Takeaways
- 
          The request message for CustomAudienceService.MutateCustomAudiencesrequires acustomer_idand a list ofoperations.
- 
          The validate_onlyfield can be used to validate the request without executing it.
Request message for CustomAudienceService.MutateCustomAudiences.
| Fields | |
|---|---|
| 
 | 
 Required. The ID of the customer whose custom audiences are being modified. | 
| 
 | Required. The list of operations to perform on individual custom audiences. | 
| 
 | 
 If true, the request is validated but not executed. Only errors are returned, not results. |