openapi: 3.1.0 info: title: Microsoft Graph Excel Charts NamedItems API description: 'REST API for reading and writing Excel workbooks stored in OneDrive for Business, SharePoint, or a group drive via Microsoft Graph. Supports worksheet, table, chart, range, and named-item operations on .xlsx workbooks. All requests require an OAuth 2.0 bearer token from the Microsoft identity platform; use Files.Read for read operations and Files.ReadWrite for write operations. Optional workbook-session-id header enables persistent or non-persistent session modes. ' version: v1.0 contact: name: Microsoft Graph Support email: graphsdksupport@microsoft.com license: name: Microsoft Terms of Use url: https://www.microsoft.com/en-us/legal/terms-of-use servers: - url: https://graph.microsoft.com/v1.0 description: Microsoft Graph v1.0 security: - oauth2: - Files.ReadWrite tags: - name: NamedItems description: Named item operations paths: /me/drive/items/{item-id}/workbook/names: get: tags: - NamedItems summary: List named items in a workbook operationId: namedItems_list parameters: - $ref: '#/components/parameters/itemId' - $ref: '#/components/parameters/sessionId' responses: '200': description: OK components: parameters: sessionId: name: workbook-session-id in: header required: false description: Optional session id from createSession to enable persistent or non-persistent session mode schema: type: string itemId: name: item-id in: path required: true description: DriveItem ID of the .xlsx workbook schema: type: string securitySchemes: oauth2: type: oauth2 description: Microsoft Entra ID OAuth 2.0 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 Sites.Read.All: Read items in all site collections Sites.ReadWrite.All: Read and write items in all site collections