User-defined property keys

Overview

Obtain user-defined metadata for a media item by calling the value(forProperty:) method with these property keys. Don’t use user-defined properties to build media property predicates.

Topics

User-defined property keys

• MPMediaItemPropertySkipCount
• MPMediaItemPropertyRating
• MPMediaItemPropertyLastPlayedDate
• MPMediaItemPropertyUserGrouping
• MPMediaItemPropertyBookmarkTime
• MPMediaItemPropertyDateAdded

See Also

Media item types and keys

• MPMediaType
• General media item property keys