SimpleTrack

constructor(externalUrlsString: Map<String, String>, availableMarketsString: List<String> = listOf(), externalIdsString: Map<String, String> = hashMapOf(), href: String, id: String, uri: SpotifyUri, artists: List<SimpleArtist>, discNumber: Int, durationMs: Int, explicit: Boolean, isPlayable: Boolean = true, linkedTrack: LinkedTrack? = null, name: String, previewUrl: String? = null, trackNumber: Int, type: String, isLocal: Boolean? = null, popularity: Double? = null, restrictions: Restrictions? = null)(source)

Parameters

artists

The artists who performed the track. Each artist object includes a link in href to more detailed information about the artist. identified by their ISO 3166-1 alpha-2 code.

discNumber

The disc number (usually 1 unless the album consists of more than one disc).

durationMs

The track length in milliseconds.

explicit

Whether or not the track has explicit lyrics ( true = yes it does; false = no it does not OR unknown).

href

A link to the Web API endpoint providing full details of the track.

id

The Spotify ID for the track.

isPlayable

Part of the response when Track Relinking is applied. If true , the track is playable in the given market. Otherwise false.

name

The name of the track.

previewUrl

A URL to a 30 second preview (MP3 format) of the track.

trackNumber

The number of the track. If an album has several discs, the track number is the number on the specified disc.

type

The object type: “track”.

isLocal

Whether or not the track is from a local file.

popularity

the popularity of this track. possibly null

restrictions

Part of the response when Track Relinking is applied, the original track is not available in the given market, and Spotify did not have any tracks to relink it with. The track response will still contain metadata for the original track, and a restrictions object containing the reason why the track is not available: "restrictions" : {"reason" : "market"}