saveCard method

@override Future<String?> saveCard(String userId, String szPan, String cvv, String expDate, String cardHolderName,)

Implementation

@override
Future<String?> saveCard(String userId, String szPan, String cvv,
    String expDate, String cardHolderName) async {
  final result = await methodChannel.invokeMethod<String>('saveCard', {
    "user_id": userId,
    "card_pan": szPan,
    "cvv": cvv,
    "exp_date": expDate,
    "card_holder_name": cardHolderName
  });
  return "$result";
}