/** * Set transaction ID into creditmemo for informational purposes * @param \Magento\Sales\Model\Order\Creditmemo $creditmemo * @param \Magento\Sales\Model\Order\Payment $payment * @return \Magento\Payment\Model\Method\AbstractMethod */ public function processCreditmemo($creditmemo, $payment) { return \Magento\Payment\Model\Method\AbstractMethod::processCreditmemo($creditmemo, $payment); }