When invoice is generated by RMS, it also sends a INVOICE_GENERATED
notification back to client/proxy. The notification contains the Invoice details and some metadata. The push notification payload for this notification is of the following format:
{ "forwardOrderCode": "ABCD", "forwardShipmentCode": "1", "forwardAwb": "SP73883123", "notificationType": "INVOICE_GENERATED", "notificationUpdateTime": null, "returnOrderInfo": null, "logisticAggregatorInfo": null, "invoiceData": { "invoiceId": 123, "invoiceStatus": "CREATED", "documentType": "INVOICE", "documentUrl": "https://invoice.com/dummy/pdf", "irn": null, "ackName": null, "ackDate": null }, "warehouseCode": null, "courierName": null, "omniMetaData": {}, "items": null }