code: def post_warning(self, name, message):
          
  
          self.post_command(OPERATIONS.CMD_POST_MESSAGE,
                            _create_message(name, states.WARNING_LEVEL, message))
docs: Asynchronously post a user facing warning message about a service.
  
          Args:
              name (string): The name of the service
              message (string): The user facing warning message that will be stored
                  for the service and can be queried later.