abort method

Future<String?> abort({
  1. required String transactionId,
})

Aborts an ongoing transaction before a card has been tapped. Returns the transaction id of the aborted transaction, if provided.

Implementation

Future<String?> abort({required String transactionId}) async {
  final uri = _uri('api/transaction/abort/$tid/$transactionId', null);
  final json = await _request('POST', uri, null);
  return json['transactionId'] as String?;
}