.NET\05_MVC_Products\APP\Domain\Group.cs

                
                    using CORE.APP.Domain;
using System.ComponentModel.DataAnnotations;

namespace APP.Domain
{
    public class Group : Entity
    {
        [Required, StringLength(100)]
        public string Title { get; set; }
        
        public List<User> Users { get; set; } = new List<User>(); 
    }
}