public async void Buy(Product product)
        {

            var payment = new Payment
            {
                //InstantCapture = false, //If InstantCapture is set to false, this will make a reservation of the money, instead of a instant capture/withdrawel
                OrderId = Guid.NewGuid().ToString(),
                ProductPrice = product.Price
            };

            var uri = mobilePayService.CreatePaymentLaunchUri(payment);

            await Launcher.LaunchUriAsync(uri);
        }
        public async void Buy(Product product)
        {

            var payment = new Payment
            {
                //InstantCapture = false, //If InstantCapture is set to false, this will make a reservation of the money, instead of a instant capture/withdrawel
                OrderId = Guid.NewGuid().ToString(),
                ProductPrice = product.Price,
                ReceiptMessage = "Tak fordi du handlede hos os, nyd din frugt!",
                ProductName = product.Title
            };

            var uri = mobilePayService.CreatePaymentLaunchUri(payment);

            await Launcher.LaunchUriAsync(uri);
        }