OptionalcontentThe row numbers hold only while the playlist keeps this version; absent when the playlist does not exist.
Rows returned.
The playlist read, as playlist in the result of playlist.getTracks.
OptionalplaylistGUID of the playlist read; absent when it does not exist, as in playlist.getTracks.
Always true here; a failed call resolves with ApiFailure instead.
Rows in the playlist; 0 when it does not exist.
The rows in the order asked for, skipping those past the last row.
Successful response from
playlist.getTracksAt.