- iTunesMetadata - AccountKind 
- Acknowledgement 
- Album 
- AlbumArtist 
- AppleID 
- Arranger 
- ArtDirector 
- Artist 
- ArtistID 
- Author 
- BeatsPerMin 
- Composer 
- Conductor 
- ContentRating 
- Copyright 
- CoverArt 
- Credits 
- Description 
- Director 
- DiscCompilation 
- DiscNumber 
- EncodedBy 
- EncodingTool 
- EQ 
- ExecProducer 
- GenreID 
- Grouping 
- LinerNotes 
- Lyrics 
- OnlineExtras 
- OriginalArtist 
- Performer 
- PhonogramRights 
- PlaylistID 
- PredefinedGenre 
- Producer 
- Publisher 
- RecordCompany 
- ReleaseDate 
- Soloist 
- SongID 
- SongName 
- SoundEngineer 
- Thanks 
- TrackNumber 
- TrackSubTitle 
- UserComment 
- UserGenre 
 
net9.0-ios17.2
    namespace AVFoundation
{
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    public static class AVMetadataIdentifiers
    {
        public static class iTunesMetadata
        {
            [Field("AVMetadataIdentifieriTunesMetadataOnlineExtras", "AVFoundation")]
            public static NSString! OnlineExtras { get; }
        }
    }
}
            | .NET | 6.07.08.09.0 | 
|---|---|
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| iOS | 10.010.110.210.311.011.111.211.311.412.012.112.212.312.413.013.113.213.313.413.513.614.014.114.214.314.414.515.015.215.416.016.116.216.417.017.2 | 
| Mac Catalyst | 13.113.213.313.413.514.214.314.414.515.015.215.416.116.216.417.017.2 | 
| macOS | 10.1410.1510.1611.011.111.211.312.012.112.313.013.113.314.014.2 | 
| tvOS | 10.010.110.211.011.111.211.311.412.012.112.212.312.413.013.213.313.414.014.214.314.414.515.015.215.416.016.116.417.017.2 | 
| Information specific to net9.0-ios17.2 | |
| Assembly | Microsoft.iOS , Version=17.2.0.0, PublicKeyToken=84e04ff9cfb79065 | 
| Referencing | The API is automatically referenced. | 
| Platform Restrictions | The property getter is only supported on the following platforms: 
 | 
- Built-in API
- Package-provided API