code: func (c *Callbacks) OnCDOTAUserMsg_VoteStart(fn func(*dota.CDOTAUserMsg_VoteStart) error) {
  	c.onCDOTAUserMsg_VoteStart = append(c.onCDOTAUserMsg_VoteStart, fn)
  }
docs: // OnCDOTAUserMsg_VoteStart registers a callback for EDotaUserMessages_DOTA_UM_VoteStart