doSale method

Future<Map<String, dynamic>> doSale({
  1. required String track2,
  2. required String emv,
  3. required String traceNo,
  4. required double amount,
})

transaction do sale

Implementation

Future<Map<String, dynamic>> doSale({
  required String track2,
  required String emv,
  required String traceNo,
  required double amount,
}) {
  throw UnimplementedError('doSale() has not been implemented.');
}