AI-generated Key Takeaways
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          This message describes the response received after mutating an ad group criterion. 
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          It includes a field for partial_failure_errorwhich details errors in partial failure mode.
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          The message also contains a resultsfield listing all the outcomes of the mutate operation.
Response message for an ad group criterion mutate.
| Fields | |
|---|---|
| 
 | Errors that pertain to operation failures in the partial failure mode. Returned only when partial_failure = true and all errors occur inside the operations. If any errors occur outside the operations (for example, auth errors), we return an RPC level error. | 
| 
 | All results for the mutate. |