An array containing the types of files the session can write.
- iOS 4.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
The types of files the session can write are determined by the asset and export preset with which the session was initialized. If you need to determine the compatible file formats before initiating the export operation, use the
You can observe this property using Key-value observing.