code: func (c *Callbacks) OnCDOTAUserMsg_TE_UnitAnimation(fn func(*dota.CDOTAUserMsg_TE_UnitAnimation) error) {
  	c.onCDOTAUserMsg_TE_UnitAnimation = append(c.onCDOTAUserMsg_TE_UnitAnimation, fn)
  }
docs: // OnCDOTAUserMsg_TE_UnitAnimation registers a callback for EDotaUserMessages_DOTA_UM_TE_UnitAnimation