AI-generated Key Takeaways
- 
          
A single operation can be performed on an ad group criterion: create, remove, or update.
 - 
          
The
update_maskfield uses a FieldMask to specify which resource fields are modified during an update operation. - 
          
The
exempt_policy_violation_keysfield allows specifying policy violation keys that should not cause an error report, although resources violating these policies will not be eligible to serve initially. - 
          
The
operationfield, which can be one ofcreate,update, orremove, determines the type of mutate operation to be performed on the ad group criterion. 
A single operation (create, remove, update) on an ad group criterion.
| Fields | |
|---|---|
 | 
                
                  
                   FieldMask that determines which resource fields are modified in an update.  | 
              
 | 
                
                  
                   The list of policy violation keys that should not cause a PolicyViolationError to be reported. Not all policy violations are exemptable, refer to the is_exemptible field in the returned PolicyViolationError. Resources violating these polices will be saved, but will not be eligible to serve. They may begin serving at a later time due to a change in policies, re-review of the resource, or a change in advertiser certificates.  | 
              
Union field 
 | 
              |
 | 
                
                  
                   Create operation: No resource name is expected for the new criterion.  | 
              
 | 
                
                  
                   Update operation: The criterion is expected to have a valid resource name.  | 
              
 | 
                
                   
 Remove operation: A resource name for the removed criterion is expected, in this format: 
  |