Csharp 如何从Azure函数使用Graph API(SDK 5.35)中的[FindMeetingTimes]

如果你运行一个普通的样本.

1.GraphClient.Me.FindMeetingTimes，错误[/Me请求仅对委托身份验证流有效.]

2.GraphClient.Users["id"].FindMeetingTimes，出现[无效的用户地址]错误.

以下是结果.

FindMeetingTimes Sample个

Graph Explorer个

当我在Graph Explorer(https://graph.microsoft.com/v1.0/users/{id}/microsoft.graph.findMeetingTimes)中运行POST时，响应返回正确，但是当我try 使用代码片段中的源代码输出时，在try 使用代码片段中的源代码输出时出现错误.

[示例代码(VSCode)]

Azure函数.Net 6(LTS)独立

using Microsoft.Azure.Functions.Worker;
using Microsoft.Azure.Functions.Worker.Http;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Mvc;
using Azure.Identity;
using Microsoft.Graph;
using Microsoft.Graph.Models;
using Microsoft.Kiota.Abstractions.Authentication;
using Microsoft.Identity.Client;

namespace Company.Function
{
    public class HttpTrigger0
    {
        private readonly ILogger _logger;

        public HttpTrigger0(ILoggerFactory loggerFactory)
        {
            _logger = loggerFactory.CreateLogger<HttpTrigger5>();
        }

        [Function("HttpTrigger0")]
        public async Task<IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequestData req)
        {
            _logger.LogInformation("C# HTTP trigger function processed a request.");

            // Dummy Id
            var userId = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";

            // https://learn.microsoft.com/en-us/graph/sdks/choose-authentication-providers?tabs=csharp#client-credentials-provider
            var scopes = new[] { "https://graph.microsoft.com/.default" };
            var tenantId = Environment.GetEnvironmentVariable("TENANT_ID");
            var clientId = Environment.GetEnvironmentVariable("CLIENT_ID");
            var clientSecret = Environment.GetEnvironmentVariable("CLIENT_SECRET");
            var options = new ClientSecretCredentialOptions  
            {  
                AuthorityHost = AzureAuthorityHosts.AzurePublicCloud  
            }; 
            var clientSecretCredential = new ClientSecretCredential(
                tenantId, clientId, clientSecret, options);
            var graphClient = new GraphServiceClient(clientSecretCredential, scopes);
            var requestBody = new Microsoft.Graph.Me.FindMeetingTimes.FindMeetingTimesPostRequestBody
            //var requestBody = new Microsoft.Graph.Users.Item.FindMeetingTimes.FindMeetingTimesPostRequestBody
            {
                Attendees = new List<AttendeeBase>
                {
                    new AttendeeBase
                    {
                        EmailAddress = new EmailAddress
                        {
                            Name = "User1",
                            Address = "user1@test.onmicrosoft.com",
                        },
                    },
                    new AttendeeBase
                    {
                        EmailAddress = new EmailAddress
                        {
                            Name = "User2",
                            Address = "user2@test.onmicrosoft.com",
                        },
                    },
                    new AttendeeBase
                    {
                        EmailAddress = new EmailAddress
                        {
                            Name = "User3",
                            Address = "user3@test.onmicrosoft.com",
                        },
                    },
                },
            };
            try {
                var result = await graphClient.Me.FindMeetingTimes.PostAsync(requestBody);
                //var result = await graphClient.Users[userId].FindMeetingTimes.PostAsync(requestBody);
                return new OkObjectResult(result);
            } catch (Exception e) {
                Console.WriteLine("TRC:" + e.StackTrace);
                Console.WriteLine("ERR:" + e.Message);
                return new OkObjectResult(null);
           }
        }
    }
}