code: def send(self, message_id, args=[], kwargs={}):
          
          self._logger.debug('Send {} in stm {}'.format(message_id, self.id))
          self._driver._add_event(
              event_id=message_id, args=args, kwargs=kwargs, stm=self)
docs: Send a message to this state machine.
  
          To send a message to a state machine by its name, use
          `stmpy.Driver.send` instead.