public static string IsNameNull()
        {
            CartItem product = new CartItem();
            string   name    = Console.ReadLine();

            product.Name = name;
            bool isEmptyOrNull = String.IsNullOrEmpty(name);

            if (isEmptyOrNull == true)
            {
                Console.WriteLine($"\"{product.Name}\": is not a valid product name.");
                ConsoleLogging.GetName(product);
                return(product.Name);
            }
            return(product.Name);
        }
 public static void CreateProduct(CartItem product)
 {
     ConsoleLogging.GetName(product);
     ConsoleLogging.GetQuantity(product);
     ConsoleLogging.GetPrice(product);
 }