MS Graph user operations sample - initialize client

Program.cs

using System;
using System.Threading.Tasks;
using Microsoft.Graph;
using Microsoft.Graph.Auth;
using Microsoft.Identity.Client;

namespace ConsoleAppForBlog
{
    class Program
    {
        // TODO: Azure AD の Client Id をセット
        private const string ClientId = "";
        // TODO: Azure AD の Tenant Id をセット
        private const string TenantId = "";
        // TODO: Azure AD のアプリのシークレットをセット
        private const string ClientSecret = "";

        static async Task Main()
        {
            // GraphService Client の初期化
            var confidentialClientApplication = ConfidentialClientApplicationBuilder
                .Create(ClientId)
                .WithTenantId(TenantId)
                .WithClientSecret(ClientSecret)
                .Build();

            var provider = new ClientCredentialProvider(confidentialClientApplication);
            var graphServiceClient = new GraphServiceClient(provider);
// 以下略