> For the complete documentation index, see [llms.txt](https://developer.firmhouse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.firmhouse.com/graphql-api/api-reference/mutations/update-invoice-line-item.md).

# updateInvoiceLineItem

### Arguments

| Argument                                                                                                    | Description                          |
| ----------------------------------------------------------------------------------------------------------- | ------------------------------------ |
| input ([UpdateInvoiceLineItemInput](/graphql-api/api-reference/objects/update-invoice-line-item-input.md)!) | Parameters for UpdateInvoiceLineItem |

### UpdateInvoiceLineItemInput Arguments

| Argument                                                                                     | Description                                   |
| -------------------------------------------------------------------------------------------- | --------------------------------------------- |
| id ([ID](/graphql-api/api-reference/objects/id.md)!)                                         |                                               |
| lineItemType ([LineItemTypeEnum](/graphql-api/api-reference/objects/line-item-type-enum.md)) | Indicates what this line item is charging for |
| quantity ([Int](/graphql-api/api-reference/objects/int.md))                                  | Quantity for this line item                   |
| description ([String](/graphql-api/api-reference/objects/string.md))                         | The description of this invoice line item.    |
| unitPriceCents ([Int](/graphql-api/api-reference/objects/int.md))                            | Unit price in cents                           |

### Return fields

#### errors (\[[ModelValidationError](/graphql-api/api-reference/objects/model-validation-error.md)!]!)

#### invoiceLineItem ([InvoiceLineItem](/graphql-api/api-reference/objects/invoice-line-item.md))