code: func (c *Callbacks) OnCDOTAUserMsg_StatsMatchDetails(fn func(*dota.CDOTAUserMsg_StatsMatchDetails) error) {
  	c.onCDOTAUserMsg_StatsMatchDetails = append(c.onCDOTAUserMsg_StatsMatchDetails, fn)
  }
docs: // OnCDOTAUserMsg_StatsMatchDetails registers a callback for EDotaUserMessages_DOTA_UM_StatsMatchDetails