string username = "USERNAME";
            string password = "PASSWORD";
            string domain = "DOMAIN;

            System.Net.NetworkCredential _myCredentials = new System.Net.NetworkCredential(username, password, domain);

            string siteUrl = "MYSITE";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Test_List");

            ListItemCreationInformation itemCreateInfo = new ListItemCreationInformation();
            ListItem oListItem = oList.AddItem(itemCreateInfo);

            //CUSTODIAN DETAIL
            oListItem["Title"] = "Test";


            oListItem.Update();

            clientContext.ExecuteQuery();

            Console.WriteLine("Send Sucessfully!");
            Console.ReadLine();