Tells the delegate the system's drop animation is about to start.
- iOS 11.0+
- Mac Catalyst 13.0+
The interaction that called this method.
The current drag item.
The animator that provides custom animations to run alongside the system's drop animation. You can also use it to add a completion block that runs after the animations have finished.
This method is called for each drag item in the session, whether the item's visible or not.