YOUserbase/Group.cs

using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace YOUserbase {
    public class Group : INotifyPropertyChanged {
        int id;
        string name;
        string details;
        public int Id { get => id; set => ChangeValue(ref id, value); }
        public string Name { get => name; set => ChangeValue(ref name, value); }
        public string Details { get => details; set => ChangeValue(ref details, value); }

        private static int index = 0;

        public Group() {
            Id = ++index;
        }

        // Wrpper to change vaulue and notify if it changed
        private void ChangeValue<T>(ref T field, T value, [CallerMemberName] string propertyName = "") {
            if(!value.Equals(field)) {
                field = value;
                if(PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;
    }
}