ExpenseCategory.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace ExpenseTracker.model
{
    //this model describes the type of data to be taken(per user) for each expense category
   public class ExpenseCategory
    {
        public int id { get; set; }
        public string name { get; set; }
        public string email { get; set; }
    }
}