Tells the delegate the system's drop animation is about to start.
- iOS 11.0+
- Mac Catalyst 13.0+Beta
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.