code: func (c *Callbacks) OnCSVCMsg_VoiceInit(fn func(*dota.CSVCMsg_VoiceInit) error) {
  	c.onCSVCMsg_VoiceInit = append(c.onCSVCMsg_VoiceInit, fn)
  }
docs: // OnCSVCMsg_VoiceInit registers a callback for SVC_Messages_svc_VoiceInit