code: def receive_message(self, message, data):
          
          if data[MESSAGE_TYPE] == TYPE_RECEIVER_STATUS:
              self._process_get_status(data)
  
              return True
  
          elif data[MESSAGE_TYPE] == TYPE_LAUNCH_ERROR:
              self._process_launch_error(data)
  
              return True
  
          return False
docs: Called when a receiver-message has been received.