code: func (c *Callbacks) OnCDOTAUserMsg_ChatWheelCooldown(fn func(*dota.CDOTAUserMsg_ChatWheelCooldown) error) {
  	c.onCDOTAUserMsg_ChatWheelCooldown = append(c.onCDOTAUserMsg_ChatWheelCooldown, fn)
  }
docs: // OnCDOTAUserMsg_ChatWheelCooldown registers a callback for EDotaUserMessages_DOTA_UM_ChatWheelCooldown