AI-generated Key Takeaways
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Describes a single operation (create or update) on an audience.
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The
update_maskfield uses a FieldMask to specify which resource fields are modified during an update. - 
          
The
operationunion field determines the type of mutate operation, which can be either create or update. - 
          
The
createoperation does not require a resource name for the new audience, while theupdateoperation expects a valid resource name for the existing audience. 
A single operation (create, update) on an audience.
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                   FieldMask that determines which resource fields are modified in an update.  | 
              
Union field 
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                   Create operation: No resource name is expected for the new audience  | 
              
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                   Update operation: The audience is expected to have a valid resource name.  |