Paranoia\Payment\Request::getTransactionId PHP Method

    public function getTransactionId()
    {
        return $this->transactionId;
    }

 /**
  * @see Paranoia\Payment\Adapter\AdapterAbstract::buildCancelRequest()
  */
 protected function buildCancelRequest(Request $request)
 {
     $type = $this->getProviderTransactionType($request->getTransactionType());
     $requestData = array('Type' => $type, 'OrderId' => $request->getOrderId());
     if ($request->getTransactionId()) {
         $requestData['TransId'] = $request->getTransactionId();
     }
     return $requestData;
 }