> ## Documentation Index > Fetch the complete documentation index at: https://developer.fabric.inc/llms.txt > Use this file to discover all available pages before exploring further. # Listen to user and emit notifications > This listener processes the request body and emit notification events to webhook service ## OpenAPI ````yaml oms_v2_combined post /notification/send openapi: 3.0.1 info: title: Orders v2 (OMS v2) description: >- fabric's OMS v2 APIs are high performance endpoints are built on highly scalable architecture, and include a configurable data model to orchestrate the order fulfillment process. These APIs let merchants create order records, initiate post-order process workflows and manage order related data such as, invoicing, tracking, returns, exchange, cancellation, appeasements, backorders, shipment and other use cases. termsOfService: https://fabric.inc/terms-of-use contact: email: support@fabric.inc license: name: fabric API license url: https://fabric.inc/api-license version: 2.0.0 servers: - url: https://prod01.oms.fabric.inc/api/v2 description: Production security: - bearerAuth: [] tags: - name: Allocation description: Endpoints to perform allocation operations - name: Appeasement description: >- Appeasement refers to a goodwill credit applied to a fulfilled order when customer faces difficulties for an order, for example late delivery, received damaged product, and like wise. This endpoint help in creating appeasement for customer orders. - name: Package Tracking description: Package Tracking endpoint helps in performing package tracking operations - name: Payment Status description: This endpoint helps in retrieving payment status for an order - name: Order Cancellation description: These endpoints help in performing order cancellation operations - name: Order description: >- An order is a customer's request to purchase one or more products from a shop or from a website. Order endponts let merchants get order details, create, update, and delete orders. - name: Order Attribute description: These endpoints help in performing attribute operations for an order - name: Order Return description: These endpoints help in performing order Return operations - name: Cross Border description: >- Cross Border service provides capabilities related to orders that have international shipping. These endpoints help in performing cross border operations. - name: BackOrder PreOrder Reservation description: >- These Endpoints help in performing BackOrder PreOrder Reservation operations - name: Configuration description: >- These endpoints help in performing CRUD operations on tenant configurations - name: Target Configuration description: >- These endpoints help in performing CRUD operations on Target configurations - name: Fraud Configuration description: These endpoints help in performing CRUD operations on Fraud configurations - name: Fraud description: These endpoints help in managing fraud release and cancel operation - name: Export description: These endpoints help in performing export operations - name: Inventory Network description: >- Network refers to a group of locations having a group of SKUs in each location. Network endpoints let you read, create, and manage an inventory-network by location, brand, or any other custom attributes. - name: Inventory description: >- These endpoints let you read, create and bulk update inventory across all locations. - name: Inventory Upload Log description: These endpoints let you view the record of the inventory uploads. - name: Inventory Bulk Operation description: >- Bulk Operation endpoints let you upload and download inventory details, in bulk, using a CSV file to and from AWS (Amazon Web Service) server presigned S3 URL that is generated from the Order service. - name: Inventory Attribute description: >- Attribute refers to a set of characteristics that define inventory. Attribute endpoints let you create, read, update, and delete inventory attributes at any hierarchy level (location, SKU, item, channel) or at counter level. - name: Inventory Counter description: >- Counter refers to inventory positions such as, available, in-transit, on-hand, or other custom positions. These endpoints let you read, update, and create custom counters that suit your business use case. - name: Invoice description: These endpoints help in generating the invoices - name: List description: To create and manage lists - name: Location description: Location endpoints let you create, read, update, and delete location. - name: Location Attribute description: >- Location attribute endpoints let you create, read, update, and delete location attributes. These location attributes are used while creating or updating locations. When the attribute is configured as required, it is mandatory to add the attribute while creating location. - name: Shipment description: To provides real time update of shipments - name: Shipping Method description: Endpoints to perform operations related to shipping methods - name: Webhook description: >- These endpoints help in performing CRUD operations on webhook subscriptions paths: /notification/send: post: tags: - Notification summary: Listen to user and emit notifications description: >- This listener processes the request body and emit notification events to webhook service operationId: listenTenantNotification parameters: - name: tenant-key in: header description: 'tenant id ' required: true schema: type: string requestBody: content: application/json: schema: type: object properties: id: type: string notificationType: type: string documentType: type: string overrideContactInfo: type: array items: type: object properties: name: type: object properties: first: type: string example: John middle: type: string example: Middle last: type: string example: Doe description: OrderContactName Model email: type: string example: test@fabric.inc phone: type: object properties: number: type: string example: '55555555555' type: type: string example: MOBILE enum: - MOBILE - HOME - BUSINESS description: OrderContactPhone Model description: OrderContact Model description: Notification received required: true responses: '200': description: Notifications emitted Successfully content: application/json: schema: type: array items: type: object properties: id: type: string example: '123456789' documentType: type: string example: ORDER notificationType: type: string overrideContactInfo: type: array items: type: object properties: name: type: object properties: first: type: string example: John middle: type: string example: Middle last: type: string example: Doe description: OrderContactName Model email: type: string example: test@fabric.inc phone: type: object properties: number: type: string example: '55555555555' type: type: string example: MOBILE enum: - MOBILE - HOME - BUSINESS description: OrderContactPhone Model description: OrderContact Model description: Notifications Model '400': description: Bad Request content: json/application: example: Generic Bad Request Response '403': description: Duplicated Entity content: json/application: example: Conflict with duplicated entity '404': description: Not Found content: json/application: example: Entity with Id xxxxxxx doesn't exist '500': description: Internal Server Error content: application/json: schema: type: object properties: message: type: string description: ErrorResponse Model example: message: Internal Server Error components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````