OptionalalbumAlbum or collection name.
OptionalartistArtist or creator name.
OptionalartworkArtwork image reference. Supports direct URL or Blossom hash.
OptionaldurationTotal duration in seconds.
OptionalmediaMedia type hint for shell UI.
OptionaltitleTrack or media title.
Media session metadata. All fields are optional -- a session can be created with no metadata and updated later.
Example