getDocumentId example

        } else {
            $config = [
                'documentType' => $documentType,
                'documentRangerType' => $documentRangerType,
                'custom' => [
                    'invoiceNumber' => '1100',
                ],
            ];
        }

        static::assertEmpty($this->getDocumentId($order->getId()));

        if ($documentType === CreditNoteRenderer::TYPE) {
            $this->addCreditItemToVersionedOrder($order->getId(), $context);
        }

        if ($autoGenInvoiceDoc === true) {
            $this->createInvoiceDocument($order->getId(), $config, $context, $multipleDoc);
        }

        /** @var FlowFactory $flowFactory */
        $flowFactory = $this->getContainer()->get(FlowFactory::class);
        

$success = $rendered->getSuccess();

        foreach ($operations as $orderId => $operation) {
            try {
                $document = $success[$orderId] ?? null;

                if (!($document instanceof RenderedDocument)) {
                    continue;
                }

                $this->checkDocumentNumberAlreadyExits($documentType, $document->getNumber(), $context, $operation->getDocumentId());

                $deepLinkCode = Random::getAlphanumericString(32);
                $id = $operation->getDocumentId() ?? Uuid::randomHex();

                $mediaId = $this->resolveMediaId($operation, $context, $document);

                $records[] = [
                    'id' => $id,
                    'documentTypeId' => $documentTypeId,
                    'fileType' => $operation->getFileType(),
                    'orderId' => $orderId,