Add the specified assets to the asset collection.
- iOS 8.0+
- tvOS 10.0+
An array of
PHAssetobjects to be added to the asset collection.
If you created the change request with a snapshot of the asset collection’s contents using the
init(for: method, Photos inserts the new assets after the existing assets in the collection. Otherwise, the arrangement of the new assets relative to others in the collection is undefined.