code: func (c *Callbacks) OnCDOTAUserMsg_CustomHudElement_Modify(fn func(*dota.CDOTAUserMsg_CustomHudElement_Modify) error) {
  	c.onCDOTAUserMsg_CustomHudElement_Modify = append(c.onCDOTAUserMsg_CustomHudElement_Modify, fn)
  }
docs: // OnCDOTAUserMsg_CustomHudElement_Modify registers a callback for EDotaUserMessages_DOTA_UM_CustomHudElement_Modify