微软图形应用编程接口C# -如何在Sharepoint中更新"CreatedBy“或"ModifiedBy”？

using Microsoft.Identity.Client;

public static async Task<string> GetAccessTokenAsync()
{
    string clientId = "YOUR_CLIENT_ID";
    string clientSecret = "YOUR_CLIENT_SECRET";
    string tenantId = "YOUR_TENANT_ID";
    
    IConfidentialClientApplication app = ConfidentialClientApplicationBuilder
        .Create(clientId)
        .WithClientSecret(clientSecret)
        .WithAuthority($"https://login.microsoftonline.com/{tenantId}")
        .Build();

    string[] scopes = new string[] { "https://graph.microsoft.com/.default" };
    AuthenticationResult result = await app.AcquireTokenForClient(scopes)
        .ExecuteAsync();

    return result.AccessToken;
}

using Microsoft.Graph;

public static async Task UpdateMetadataAsync()
{
    string siteId = "YOUR_SITE_ID";
    string itemId = "YOUR_ITEM_ID";

    string accessToken = await GetAccessTokenAsync();

    GraphServiceClient graphClient = new GraphServiceClient(
        new DelegateAuthenticationProvider(requestMessage =>
        {
            requestMessage.Headers.Authorization =
                new AuthenticationHeaderValue("Bearer", accessToken);
            return Task.CompletedTask;
        })
    );

    var siteDriveItem = await graphClient
        .Sites[siteId]
        .Drive
        .Items[itemId]
        .Request()
        .GetAsync();

    var createdByUserId = siteDriveItem.CreatedBy.User.Id;
    var modifiedByUserId = siteDriveItem.ModifiedBy.User.Id;

    // 更新"CreatedBy"字段
    var createdByUser = new User
    {
        Id = createdByUserId
    };

    var updateCreatedBy = new DriveItem
    {
        CreatedBy = createdByUser
    };

    await graphClient
        .Sites[siteId]
        .Drive
        .Items[itemId]
        .Request()
        .UpdateAsync(updateCreatedBy);

    // 更新"ModifiedBy"字段
    var modifiedByUser = new User
    {
        Id = modifiedByUserId
    };

    var updateModifiedBy = new DriveItem
    {
        ModifiedBy = modifiedByUser
    };

    await graphClient
        .Sites[siteId]
        .Drive
        .Items[itemId]
        .Request()
        .UpdateAsync(updateModifiedBy);
}