The protocol you implement on a class to allow an item provider to retrieve data from an instance of the class.
- iOS 11.0+
- macOS 10.13+
- tvOS 11.0+
- watchOS 4.0+
A source app uses an object that conforms to this protocol to initialize an item provider for a copied or dragged item.
Getting the Writable Type Identifiers
Getting the Representation Visibility Specification
The representation visibility specifications control which categories of processes can see the item provider.
An item provider for conveying data or a file between processes during drag and drop or copy/paste activities, or from a host app to an app extension.