requestPayPalCheckout method

Implementation

@override
Future<String?> requestPayPalCheckout({
  required String authorization,
  required String amount,
  required String currencyCode,
}) async {
  return await methodChannel.invokeMethod<String>('requestPayPalCheckout', {
    'authorization': authorization,
    'amount': amount,
    'currencyCode': currencyCode,
  });
}