An array of metadata items for each common metadata key for which a value is available.
- iOS 5.0+
- macOS 10.8+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 6.0+
You can filter the array of
AVMetadata objects according to locale using
metadata, key using
metadata, or language using
Clients that are filtering media selection options by language should be prepared to handle cases in which the
extended property value is
nil. Further, they should be prepared to handle cases in which an
extended is present but indicates that the language is “undetermined” (a language value of @"und", as defined in ISO 639-2).