code: func (c *Callbacks) OnCDOTAUserMsg_TutorialFinish(fn func(*dota.CDOTAUserMsg_TutorialFinish) error) {
  	c.onCDOTAUserMsg_TutorialFinish = append(c.onCDOTAUserMsg_TutorialFinish, fn)
  }
docs: // OnCDOTAUserMsg_TutorialFinish registers a callback for EDotaUserMessages_DOTA_UM_TutorialFinish