presence/Presence.Desktop/Models/GroupPresenter.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Presence.Desktop.Models
{
    public class GroupPresenter
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public List<StudentPresenter>? students = null; 
    }
}