public async Task Refund(string paymentId)
{
PaymentResponse paymentToRefund = await GetPaymentDetails(paymentId);
RefundRequest refundRequest = new RefundRequest()
{
Amount = new Amount(paymentToRefund.Amount.Currency, paymentToRefund.Amount.Value)
};
await _refundClient.CreateRefundAsync(paymentId, refundRequest);
}
