Update Task Level Custom Field using CSOM

Update Task Level Custom Field using CSOM

Update Task Level Custom Field using CSOM. In this post, I will describe you to update task level custom field using CSOM. During a project plan, you want to add a custom field to a task schedule.Go to Server Settings and add a Task Level custom field and add it to task schedule and Task Summary. Now update a task level custom field by CSOM then below is code.[AdSense-A]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using Microsoft.ProjectServer.Client;
using Microsoft.SharePoint.Client;
using PRCLNT = Microsoft.ProjectServer.Client;

namespace UpdateTaskLevelCustomField_Using_CSOM
    class Program
        static string UserName = "UserName";
        static string Passwords = "Password";
        public static string OnlinePWA = "PWAPath";
        static void Main(string[] args)
            using (PRCLNT.ProjectContext ProjectCont1 = new PRCLNT.ProjectContext(OnlinePWA))//PWA Url
                SecureString passWord3 = new SecureString();
                foreach (char c in Passwords.ToCharArray()) passWord3.AppendChar(c);
                ProjectCont1.Credentials = new SharePointOnlineCredentials(UserName, passWord3);
                var projCollection = ProjectCont1.LoadQuery(
                 .Where(p => p.Name == "Test Project"));
                PublishedProject proj2Edit = projCollection.First();
                DraftProject projCheckedOut = proj2Edit.CheckOut();
                DraftTaskCollection tskcoll = projCheckedOut.Tasks;
                foreach (DraftTask Task in tskcoll)
                    if ((Task.Name != null) && (Task.Name == "Taks1"))
                        Task.Duration = "21d";
                        Task["Custom_b7cf72f87bbae511a30d00155d018400"] = "Custom Field Value"; //Inernal name of Task level custom field
                        AssignmentCreationInformation r = new AssignmentCreationInformation();
                        r.Id = Guid.NewGuid();
                        r.TaskId = Task.Id;
                QueueJob qJob = ProjectCont1.Projects.Update();
                JobState jobState = ProjectCont1.WaitForQueue(qJob, 20);


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