code: func (r *Room) AfterInit() {
  	r.timer = pitaya.NewTimer(time.Minute, func() {
  		count, err := pitaya.GroupCountMembers(context.Background(), "room")
  		logger.Log.Debugf("UserCount: Time=> %s, Count=> %d, Error=> %q", time.Now().String(), count, err)
  	})
  }
docs: // AfterInit component lifetime callback