From Solution Explorer, right-click to the /ViewModels/ folder, add a new UserViewModel.cs C# class, and fill it with the following content:

using Newtonsoft.Json;

namespace TestMakerFreeWebApp.ViewModels
{
    [JsonObject(MemberSerialization.OptOut)]
    public class UserViewModel
    {
        #region Constructor
        public UserViewModel()
        {

        }
        #endregion

        #region Properties
        public string UserName { get; set; }
        public string Password { get; set; }
        public string Email { get; set; }
        public string DisplayName { get; set; }
        #endregion
    }
}

The view model is also pretty standard; it just contains the fields that we need to create the new user entity and save it to the database.