void AttachAssets ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [ISkeletonTreeItem](API\Editor\SkeletonEditor\ISkeletonTreeItem) > & TargetItem, const [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & AssetData )