Instance Property


The persistent identifier for a media entity.


@property(nonatomic, readonly) MPMediaEntityPersistentID persistentID;

See Also

Working with Media Properties

+ canFilterByProperty:

Indicates if a media property key can be used to construct a media property predicate.

- enumerateValuesForProperties:usingBlock:

Executes a provided block with the fetched values for the given item properties.

- objectForKeyedSubscript:

Returns the object specified by the key.

- valueForProperty:

Retrieves the value for a specified media property key.


Defines the type for storing a persistent identifier to a particular entity.