MPNowPlayingInfoPropertyExternalContentIdentifier
The opaque identifier that uniquely identifies the Now Playing item, even through app relaunches.
Declaration
let MPNowPlayingInfoPropertyExternalContentIdentifier: StringDiscussion
This is only used to reference the item to the Now Playing app and can be in any format.
See Also
Accessing Now Playing metadata properties
MPNowPlayingInfoCollectionIdentifierMPNowPlayingInfoPropertyAdTimeRangesMPNowPlayingInfoPropertyAvailableLanguageOptionsMPNowPlayingInfoPropertyAssetURLMPNowPlayingInfoPropertyChapterCountMPNowPlayingInfoPropertyChapterNumberMPNowPlayingInfoPropertyCreditsStartTimeMPNowPlayingInfoPropertyCurrentLanguageOptionsMPNowPlayingInfoPropertyCurrentPlaybackDateMPNowPlayingInfoPropertyDefaultPlaybackRateMPNowPlayingInfoPropertyElapsedPlaybackTimeMPNowPlayingInfoPropertyExcludeFromSuggestionsMPNowPlayingInfoPropertyExternalUserProfileIdentifierMPNowPlayingInfoPropertyInternationalStandardRecordingCodeMPNowPlayingInfoPropertyIsLiveStream