> ## Documentation Index > Fetch the complete documentation index at: https://docs.sequencehq.com/llms.txt > Use this file to discover all available pages before exploring further. # Update a Line Item Group > Update a Line Item Group ## OpenAPI ````yaml invoices.latest.product.live PUT /invoices/{invoice}/line-item-groups/{id} openapi: 3.0.0 info: title: Invoices description: Create and issue invoices version: '0.1' servers: - url: https://dev.seqhq.io/api description: DEV - url: https://sandbox.sequencehq.com/api description: SANDBOX - url: https://eu.sequencehq.com/api description: PRODUCTION security: [] tags: [] paths: /invoices/{invoice}/line-item-groups/{id}: servers: [] parameters: [] put: tags: - Invoice Line Items summary: Update a Line Item Group description: Update a Line Item Group operationId: putInvoicesByInvoiceLineItemGroupsById parameters: - name: invoice in: path description: The Invoice ID required: true schema: type: string - name: id in: path description: Line Item Group ID required: true schema: type: string - name: Authorization in: header description: >- Your [API credentials](/reference/authentication). Eg. `Basic {credentials}`. required: true schema: type: string - name: Sequence-Version in: header description: Use this header to select an API version required: false schema: type: string enum: - '2024-07-30' requestBody: content: application/json: schema: $ref: '#/components/schemas/UpdateLineItemGroupRequestModel' example: title: Users description: Charges for users taxCategoryId: 28227c88-6dba-455f-9b30-b9c76957e610 revenueRecognitionMethod: STRAIGHT_LINE revenueClassification: EARNED servicePeriod: start: '2022-10-20' endInclusive: '2022-10-24' index: 10 examples: UpdateLineItemGroupRequestModel: summary: '' value: title: Users description: Charges for users taxCategoryId: 28227c88-6dba-455f-9b30-b9c76957e610 revenueRecognitionMethod: STRAIGHT_LINE revenueClassification: EARNED servicePeriod: start: '2022-10-20' endInclusive: '2022-10-24' index: 10 required: true responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/LineItemGroupResponseModel' example: id: 4639a112-f821-4bc1-bc2d-6f9ece5b7c0f invoiceId: cd11218d-fa00-4faa-8684-a43113d076a8 title: Users description: Charges for users index: 2 netTotal: '51.20' totalTax: '2.50' grossTotal: '101.23' taxCategory: id: 28227c88-6dba-455f-9b30-b9c76957e610 name: VAT examples: LineItemGroupResponseModel: summary: '' value: id: 4639a112-f821-4bc1-bc2d-6f9ece5b7c0f invoiceId: cd11218d-fa00-4faa-8684-a43113d076a8 title: Users description: Charges for users index: 2 netTotal: '51.20' totalTax: '2.50' grossTotal: '101.23' taxCategory: id: 28227c88-6dba-455f-9b30-b9c76957e610 name: VAT '400': description: Bad Request content: {} '401': description: Unauthorized content: {} '500': description: Internal Server Error content: {} components: schemas: UpdateLineItemGroupRequestModel: required: - title type: object example: title: Users description: Charges for users taxCategoryId: 28227c88-6dba-455f-9b30-b9c76957e610 revenueRecognitionMethod: STRAIGHT_LINE revenueClassification: EARNED servicePeriod: start: '2022-10-20' endInclusive: '2022-10-24' index: 10 properties: title: type: string description: Line Item Group Title example: Users description: type: string description: Line Item Group Description example: Charges for users taxCategoryId: type: string description: The tax category for all line items in this line item group example: 28227c88-6dba-455f-9b30-b9c76957e610 revenueRecognitionMethod: $ref: '#/components/schemas/RevenueRecognitionMethod' description: >- The revenue recognition method for all line items in this line item group revenueClassification: $ref: '#/components/schemas/RevenueClassification' description: >- The revenue classification for all line items in this line item group servicePeriod: $ref: '#/components/schemas/InclusiveDateRange' index: type: integer description: Index (for maintaining order) example: 10 LineItemGroupResponseModel: required: - grossTotal - id - index - invoiceId - netTotal - title - totalTax type: object example: id: 4639a112-f821-4bc1-bc2d-6f9ece5b7c0f invoiceId: cd11218d-fa00-4faa-8684-a43113d076a8 title: Users description: Charges for users index: 2 netTotal: '51.20' totalTax: '2.50' grossTotal: '101.23' taxCategory: id: 28227c88-6dba-455f-9b30-b9c76957e610 name: VAT properties: id: type: string description: Line Item Group ID example: 4639a112-f821-4bc1-bc2d-6f9ece5b7c0f invoiceId: type: string description: Invoice ID example: cd11218d-fa00-4faa-8684-a43113d076a8 title: type: string description: Line Item Group Title example: Users description: type: string description: Line Item Group Description example: Charges for users index: type: integer description: Index (for maintaining order) example: 2 netTotal: type: string description: Net total, in decimal format of the Invoice's currency example: '51.20' totalTax: type: string description: Total tax, in decimal format of the Invoice's currency example: '2.50' grossTotal: type: string description: Gross total, in decimal format of the Invoice's currency example: '101.23' taxCategory: $ref: '#/components/schemas/TaxCategoryResponse' RevenueRecognitionMethod: type: string example: STRAIGHT_LINE enum: - STRAIGHT_LINE - USAGE - MILESTONE - POINT_IN_TIME RevenueClassification: type: string example: EARNED enum: - PREPAYMENT - EARNED - BURNDOWN InclusiveDateRange: required: - endInclusive - start type: object description: Billing period example: start: '2022-10-01' endInclusive: '2022-10-30' properties: start: type: string description: Start date, included in the whole range format: date example: '2022-10-01' endInclusive: type: string description: End date, included in the whole range format: date example: '2022-10-30' TaxCategoryResponse: required: - id - name type: object description: The tax category for all line items in this line item group example: id: 28227c88-6dba-455f-9b30-b9c76957e610 name: VAT properties: id: type: string description: Tax Category ID example: 28227c88-6dba-455f-9b30-b9c76957e610 name: type: string description: Tax Category name example: VAT ````