> 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/sdks/firmhouse-sdk/reference/interfaces/firmhouse-invoice-line-item.md).

# FirmhouseInvoiceLineItem

## Properties

| Property                           | Type                                                                                    | Description                                                              |
| ---------------------------------- | --------------------------------------------------------------------------------------- | ------------------------------------------------------------------------ |
| `amountExcludingTaxCents`          | `number`                                                                                | Unit price excluding tax                                                 |
| `amountIncludingTaxCents`          | `number`                                                                                | Unit price including tax                                                 |
| `billingPeriodEndsAt`              | `null` \| `string`                                                                      | Billing period end date for the invoice                                  |
| `billingPeriodStartsAt`            | `null` \| `string`                                                                      | Billing period start date for the invoice                                |
| `description`                      | `null` \| `string`                                                                      | The description of this invoice line item.                               |
| `effectiveAmountExcludingTaxCents` | `number`                                                                                | Effective unit price excluding tax, corrected based on invoice discount. |
| `effectiveAmountIncludingTaxCents` | `number`                                                                                | Effective unit price including tax, corrected based on invoice discount. |
| `id`                               | `string`                                                                                | The database ID of this invoice line item.                               |
| `lineItemType`                     | [`LineItemTypeEnum`](/sdks/firmhouse-sdk/reference/enumerations/line-item-type-enum.md) | Indicates what this line item is charging for                            |
| `metadata`                         | `unknown`                                                                               | Metadata makes it possible to store additional information on objects.   |
| `product`                          | [`FirmhouseProduct`](/sdks/firmhouse-sdk/reference/interfaces/firmhouse-product.md)     | The associated product in case of a product charge                       |
| `quantity`                         | `number`                                                                                | Quantity for this line item                                              |
| `taxPercentage`                    | `number`                                                                                | The percentage of tax used for this invoice.                             |
| `totalAmountExcludingTaxCents`     | `number`                                                                                | Total amount for this line item excluding tax (unit price \* quantity)   |
| `totalAmountIncludingTaxCents`     | `number`                                                                                | Total amount for this line item including tax (unit price \* quantity)   |
| `totalTaxAmountCents`              | `number`                                                                                | Total amount of tax charged                                              |