code: def send_tick(self, payload=""):
          
          data = self.message(MessageType.SEND_TICK, payload)
          return json.loads(data, object_hook=TickReply)
docs: Sends a tick event with the specified payload. After the reply was
          received, the tick event has been written to all IPC connections which
          subscribe to tick events.
  
          :rtype: TickReply