code: func (c *Callbacks) OnCDOTAUserMsg_SendRoshanSpectatorPhase(fn func(*dota.CDOTAUserMsg_SendRoshanSpectatorPhase) error) {
  	c.onCDOTAUserMsg_SendRoshanSpectatorPhase = append(c.onCDOTAUserMsg_SendRoshanSpectatorPhase, fn)
  }
docs: // OnCDOTAUserMsg_SendRoshanSpectatorPhase registers a callback for EDotaUserMessages_DOTA_UM_SendRoshanSpectatorPhase