// AuthorizeCapturePayment will save the invoice with an Invoice Number.
private IPaymentResult ProcessPayment(SalePreparationBase preparation, IPaymentMethod paymentMethod, string paymentMethodNonce)
{
// You need a ProcessorArgumentCollection for this transaction to store the payment method nonce
// The braintree package includes an extension method off of the ProcessorArgumentCollection - SetPaymentMethodNonce([nonce]);
var args = new ProcessorArgumentCollection();
args.SetPaymentMethodNonce(paymentMethodNonce);
// We will want this to be an AuthorizeCapture(paymentMethod.Key, args);
return preparation.AuthorizeCapturePayment(paymentMethod.Key, args);
}
