using System;

using System.Net.Http;

using System.Threading.Tasks;

using IdentityModel.Client;

public class Program

{

    public static async Task Main()

    {

        Console.WriteLine("Hello World!");

        var client = new HttpClient();

        var disco = await client.GetDiscoveryDocumentAsync("https://local.gezond.nl/login");

​

        if (disco.IsError)

        {

            Console.WriteLine(disco.Error);

            return;

        }

        var tokenResponse = await client

            .RequestClientCredentialsTokenAsync(

                new ClientCredentialsTokenRequest

                {

                    Address = disco.TokenEndpoint,

​

                    ClientId = "CalendarService",

                    ClientSecret = "ea2c41ab-a310-49b1-a8e2-ad34b9a721e0"

                });

​

        if (tokenResponse.IsError)

        {

            Console.WriteLine(tokenResponse.Error);

            return;

        }

​

        Console.WriteLine(tokenResponse.Json);

    }

}