CourseWork_Bank/Bank/BankDataBaseImplement/Models/AdditionsMember.cs

using System.ComponentModel.DataAnnotations;

namespace BankDataBaseImplement.Models
{
    public class AdditionsMember
    {
        public int Id { get; set; }

        [Required]
        public int MemberId { get; set; }

        [Required]
        public int MealPlanId { get; set; }

        public virtual Additions MealPlan { get; set; } 
        public virtual Member Member { get; set; }
    }
}