Spotify.NET/SpotifyAPI.Web/Models/Request/PlaylistGetRequest.cs

using System;
using System.Collections.Generic;

namespace SpotifyAPI.Web
{
  public class PlaylistGetRequest : RequestParams
  {
    public PlaylistGetRequest(AdditionalTypes types = AdditionalTypes.All)
    {
      Ensure.ArgumentNotNull(types, nameof(types));

      AdditionalTypesParam = types;
    }

    /// <summary>
    ///   This is set to `"track", "episode"` by default.
    /// </summary>
    /// <value></value>
    [QueryParam("additional_types")]
    public AdditionalTypes AdditionalTypesParam { get; }

    [Flags]
    public enum AdditionalTypes
    {
      [String("track")]
      Track = 1,
      [String("episode")]
      Episode = 2,
      All = Track | Episode
    }
  }
}