code: func (c *Callbacks) OnCDOTAUserMsg_AddQuestLogEntry(fn func(*dota.CDOTAUserMsg_AddQuestLogEntry) error) {
  	c.onCDOTAUserMsg_AddQuestLogEntry = append(c.onCDOTAUserMsg_AddQuestLogEntry, fn)
  }
docs: // OnCDOTAUserMsg_AddQuestLogEntry registers a callback for EDotaUserMessages_DOTA_UM_AddQuestLogEntry