MPMusicPlayerControllerQueue
An immutable queue containing the media items to play.
Declaration
class MPMusicPlayerControllerQueueOverview
An MPMusicPlayerControllerQueue object contains the current queue for an application queue music player. To add or remove media items from a playing queue, use perform(queueTransaction:completionHandler:). The results of the method is an MPMusicPlayerControllerQueue object that updates the playing queue. You don’t create your own instance of this class.