openapi: 3.0.3
info:
  title: Microsoft Graph Excel Charts Named Items API
  description: REST API for accessing and manipulating Excel workbooks stored in OneDrive for Business, SharePoint sites, or Group drives through Microsoft Graph.
  version: 1.0.0
  contact:
    name: Microsoft Graph Support
    url: https://developer.microsoft.com/graph/support
  license:
    name: Microsoft API Terms of Use
    url: https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use
  x-generated-from: documentation
  x-last-validated: '2026-04-18'
servers:
- url: https://graph.microsoft.com/v1.0
  description: Microsoft Graph v1.0 production endpoint
security:
- oauth2:
  - Files.Read
  - Files.ReadWrite
tags:
- name: Named Items
  description: Operations for managing named ranges and values.
paths:
  /me/drive/items/{item-id}/workbook/names:
    get:
      operationId: listNamedItems
      summary: Microsoft Excel List Named Items
      description: Retrieve a list of named items (named ranges) in the workbook.
      tags:
      - Named Items
      parameters:
      - name: item-id
        in: path
        required: true
        description: The ID of the workbook file.
        schema:
          type: string
      - name: workbook-session-id
        in: header
        required: false
        description: Workbook session ID.
        schema:
          type: string
      responses:
        '200':
          description: Named items returned successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NamedItemCollection'
              examples:
                ListNamedItems200Example:
                  summary: Default listNamedItems 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - name: data
                      type: Range
                      value: Range!$A$1:$D$3
                      visible: true
        '401':
          description: Unauthorized.
        '404':
          description: Workbook not found.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    NamedItemCollection:
      type: object
      description: Collection of named items.
      properties:
        value:
          type: array
          items:
            $ref: '#/components/schemas/NamedItem'
    NamedItem:
      type: object
      description: Represents a defined name for a cell range or value.
      properties:
        name:
          type: string
          description: The name of the named item.
          example: data
        type:
          type: string
          description: The type of the named item.
          example: Range
        value:
          type: string
          description: The formula or range reference.
          example: Range!$A$1:$D$3
        visible:
          type: boolean
          description: Whether the named item is visible.
          example: true
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 authorization using Microsoft Identity Platform
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
          scopes:
            Files.Read: Read user files
            Files.ReadWrite: Read and write user files