Playlist downloader test

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using RestSharp;
using Newtonsoft.Json;

namespace TESTPLAYTUBE
{

    public class YoutubeApi
    {
        static void Main(string[] args)
        {

            getPlaylistItems("PLGqipRSVAvkZnDtwO4qDARIwOxHf68VQT");
        }
        public class apiResult
        {
            public items[] result { get; set; }
        }
        public class items
        {
            public contentDetails contentDetails { get; set; }
        }
        public class contentDetails
        {
            public string videoId { get; set; }
        }

        public static void getPlaylistItems(string playlistId)
        {
            var json = sendApiRequest($"playlistItems?part=contentDetails&key=AIzaSyA0yLJfONIyMlVFgX7HN_egnVqSP_rq7kE&maxResults=50&playlistId={playlistId}");
            var apiResult = JsonConvert.DeserializeObject<apiResult>(json);
            Console.WriteLine(apiResult.result);

            foreach (var song in apiResult.result)
            {
                Console.WriteLine(song.contentDetails.videoId);
            }
        }
        public static String sendApiRequest(String API_METHOD)
        {
            RestClient RC = new RestClient();
            var URL = "https://www.googleapis.com/youtube/v3/" + API_METHOD;
            var request = new RestRequest(URL);
            var response = RC.Get(request);
            return response.Content;
        }
    }
}