code: func (c *Callbacks) OnCDOTAUserMsg_CoachHUDPing(fn func(*dota.CDOTAUserMsg_CoachHUDPing) error) {
  	c.onCDOTAUserMsg_CoachHUDPing = append(c.onCDOTAUserMsg_CoachHUDPing, fn)
  }
docs: // OnCDOTAUserMsg_CoachHUDPing registers a callback for EDotaUserMessages_DOTA_UM_CoachHUDPing