static void OnMetadataTagChanged_Static ( const [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) & InKey, const [FName](API\Runtime\Core\UObject\FName) & InTag, bool bAdded, [URigHierarchy](API\Plugins\ControlRig\Rigs\URigHierarchy) * InHierarchy )