An identifier shared by this Document Picker extension and its corresponding File Provider extension. (read-only)
- iOS 8.0+
- Mac Catalyst 13.0+
Both the Document Picker View Controller extension and the File Provider extension should pass this identifier to their file coordinator’s
set method. This approach helps coordinate the read and write operations between the two extensions, preventing possible deadlocks.
This property holds the value returned by calling the File Provider extension’s