The name of the album that contains the photos.
- iOS 10.0+
- Mac Catalyst 13.0+
- watchOS 3.2+
When this property contains an
NSString object, your search should return only photos from the album specified by that string. Apps may register a user’s custom photo album names using the
INVocabulary class. Registering custom names helps the system identify those albums when the user speaks them.