FriendGroupViewModel.cs

using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using Vereinsmeisterschaften.Core.Models;
 
namespace Vereinsmeisterschaften.ViewModels
{
    public partial class FriendGroupViewModel : ObservableObject
    {
        [ObservableProperty]
        private int _groupId;

        [ObservableProperty]
        private ObservableCollection<Person> _friends = new ObservableCollection<Person>();

        [ObservableProperty]
        private ObservableCollection<Person> _availableFriends = new ObservableCollection<Person>();
    }
}