Order.cs

public class Order
    {
        public int Id { set; get; }
        public string Customer { set; get; }
        public PaymentDetails PaymentDetails { set; get; }
        public List<LineItem> LineItems { set; get; }
    }

    public class PaymentDetails
    {
        public string Card { set; get; }
        public int CcNumber { set; get; }
        public DateTime Expiry { set; get; }
    }

    public class LineItem
    {
        public int Id { set; get; }
        public int Quantity { set; get; }
        public decimal Price { set; get; }
        public decimal Total { set; get; }
    }
}

hi how are you

Hello