Payment::getDocumentDataAction

public function getDocumentDataAction(int $documentId): array
{
	$result = parent::getDocumentDataAction($documentId);
	$result['payment'] = $this->getPaymentData($documentId);

	$shipmentData = $this->getShipmentData($documentId);
	if (!empty($shipmentData))
	{
		$result['shipment'] = $shipmentData;
	}

	return $result;
}