code: async def send_message(self, name, level, message):
          
  
          if name not in self.services:
              raise ArgumentError("Unknown service name", short_name=name)
  
          msg = self.services[name]['state'].post_message(level, message)
          await self._notify_update(name, 'new_message', msg.to_dict())
docs: Post a message for a service.
  
          Args:
              name (string): The short name of the service to query
              level (int): The level of the message (info, warning, error)
              message (string): The message contents