openapi: 3.1.0
info:
  title: SAP Sales and Distribution (SD) SAP Billing Document Sales Order Schedule Line API
  description: Read, cancel, and retrieve billing documents in PDF format from SAP S/4HANA. This OData service (API_BILLING_DOCUMENT_SRV) provides access to billing document headers, items, partners, and pricing elements. Supports invoices, credit memos, debit memos, and other billing document types as part of the order-to-cash cycle.
  version: 1.0.0
  contact:
    name: SAP Support
    url: https://support.sap.com
  license:
    name: SAP Developer License
    url: https://www.sap.com/about/agreements/product-use-and-support-terms.html
servers:
- url: https://sandbox.api.sap.com/s4hanacloud/sap/opu/odata/sap/API_BILLING_DOCUMENT_SRV
  description: SAP S/4HANA Cloud Sandbox
- url: https://{host}:{port}/sap/opu/odata/sap/API_BILLING_DOCUMENT_SRV
  description: SAP S/4HANA On-Premise
  variables:
    host:
      default: localhost
    port:
      default: '443'
security:
- basicAuth: []
- oauth2: []
tags:
- name: Sales Order Schedule Line
  description: Operations on sales order schedule lines (A_SalesOrderScheduleLine)
paths:
  /A_SalesOrderScheduleLine(SalesOrder='{SalesOrder}',SalesOrderItem='{SalesOrderItem}',ScheduleLine='{ScheduleLine}'):
    get:
      operationId: getSalesOrderScheduleLine
      summary: Retrieve a schedule line
      description: Returns a single schedule line for a sales order item, identified by its composite key of sales order, item, and schedule line number.
      tags:
      - Sales Order Schedule Line
      parameters:
      - name: SalesOrder
        in: path
        required: true
        description: Sales order number
        schema:
          type: string
          maxLength: 10
      - name: SalesOrderItem
        in: path
        required: true
        description: Sales order item number
        schema:
          type: string
          maxLength: 6
      - name: ScheduleLine
        in: path
        required: true
        description: Schedule line number
        schema:
          type: string
          maxLength: 4
      - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Successfully retrieved the schedule line
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/SalesOrderScheduleLine'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  responses:
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required or credentials invalid
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Requested resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    select:
      name: $select
      in: query
      description: Comma-separated list of properties to include in the response
      schema:
        type: string
  schemas:
    Error:
      type: object
      description: OData error response
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Error code
            message:
              type: object
              properties:
                lang:
                  type: string
                value:
                  type: string
                  description: Error message text
    SalesOrderScheduleLine:
      type: object
      description: Sales order schedule line entity (A_SalesOrderScheduleLine)
      properties:
        SalesOrder:
          type: string
          maxLength: 10
          description: Sales order number
        SalesOrderItem:
          type: string
          maxLength: 6
          description: Sales order item number
        ScheduleLine:
          type: string
          maxLength: 4
          description: Schedule line number
        RequestedDeliveryDate:
          type: string
          format: date
          description: Schedule line delivery date
        ConfirmedDeliveryDate:
          type: string
          format: date
          description: Confirmed delivery date
        OrderQuantityInSalesUnit:
          type: string
          description: Order quantity in sales unit
        ConfirmedOrderQuantity:
          type: string
          description: Confirmed quantity
        ScheduleLineOrderQuantity:
          type: string
          description: Scheduled order quantity
        DeliveredQuantityInOrderQtyUnit:
          type: string
          description: Quantity already delivered
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://{tenant}.authentication.{landscape}.hana.ondemand.com/oauth/token
          scopes:
            API_BILLING_DOCUMENT_SRV: Access to Billing Document API