using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace ConsoleApp1.Model {

    public class UserModel {

        public int Id { get; set; }

        public string FirstName { get; set; }

        public string LastName { get; set; }

​

        public string GetFullName() {

            return $"{this.FirstName} {this.LastName}";

        }

​

    }

}

​