doVoid method

Future<Map<String, dynamic>> doVoid({
  1. required String amountStr,
  2. required String track2,
  3. required String encTrack2,
  4. required String rrn,
  5. required String authCode,
  6. required String traceNO,
})

transaction do void. necessary do sale success

Implementation

Future<Map<String, dynamic>> doVoid({
  required String amountStr,
  required String track2,
  required String encTrack2,
  required String rrn,
  required String authCode,
  required String traceNO,
}) {
  throw UnimplementedError('doVoid() has not been implemented.');
}