asyncapi: 3.0.0
info:
  title: Order events
  version: 1.0.0
  description: An order service publishes events for a billing service.
  contact:
    name: Example team
    email: team@example.org
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  termsOfService: https://example.org/terms
defaultContentType: application/json
servers:
  broker:
    title: Event broker
    summary: Development broker
    description: Carries order events between the two services.
    host: localhost:9092
    protocol: kafka
    protocolVersion: '3.0'
    externalDocs:
      description: Broker documentation
      url: https://kafka.apache.org/documentation/
channels:
  orders:
    address: orders.created
    messages:
      defaultMessage:
        name: OrderCreated
        payload:
          title: OrderCreated
          type: object
          required: [orderId]
          properties:
            orderId:
              type: string
            total:
              type: number
        examples:
          - name: NewOrder
            payload:
              orderId: order-001
              total: 42.5
operations:
  publishOrder:
    action: send
    channel:
      $ref: '#/channels/orders'
  consumeOrder:
    action: receive
    channel:
      $ref: '#/channels/orders'
x-applications:
  order-service:
    summary: Publishes newly created orders.
    operations:
      - $ref: '#/operations/publishOrder'
  billing-service:
    summary: Receives orders for billing.
    operations:
      - $ref: '#/operations/consumeOrder'