public class DateSelectorViewModel : MvxViewModel<Action<DateTime>>
{
	private Action<DateTime> setDateValue;

	public DateSelectorViewModel()
	{
		SelectDateCommand = new MvxCommand(SelectDate);
		SelectedDate = DateTime.Today;
	}

	public DateTime SelectedDate { get; set; }
	public ICommand SelectDateCommand { get; }

	public override void Prepare(Action<DateTime> parameter)
	{
		setDateValue = parameter;
	}

	private void SelectDate()
	{
		setDateValue(SelectedDate);
	}
}