AI-generated Key Takeaways
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The request message for CustomerService.MutateCustomer requires the customer ID and an operation to perform on the customer.
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The
validate_onlyfield can be set to true to validate the request without executing it, returning only errors. - 
          
The
response_content_typefield controls whether the full resource or just its name is returned after a mutation. 
Request message for CustomerService.MutateCustomer.
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 Required. The ID of the customer being modified.  | 
              
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                   Required. The operation to perform on the customer  | 
              
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 If true, the request is validated but not executed. Only errors are returned, not results.  | 
              
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                   The response content type setting. Determines whether the mutable resource or just the resource name should be returned post mutation.  |