code: def onMessage(
          self,
          mid=None,
          author_id=None,
          message=None,
          message_object=None,
          thread_id=None,
          thread_type=ThreadType.USER,
          ts=None,
          metadata=None,
          msg=None,
      ):
          
          log.info("{} from {} in {}".format(message_object, thread_id, thread_type.name))
docs: Called when the client is listening, and somebody sends a message
  
          :param mid: The message ID
          :param author_id: The ID of the author
          :param message: (deprecated. Use `message_object.text` instead)
          :param message_object: The message (As a `Message` object)
          :param thread_id: Thread ID that the message was sent to. See :ref:`intro_threads`
          :param thread_type: Type of thread that the message was sent to. See :ref:`intro_threads`
          :param ts: The timestamp of the message
          :param metadata: Extra metadata about the message
          :param msg: A full set of the data recieved
          :type message_object: models.Message
          :type thread_type: models.ThreadType