> ## Documentation Index
> Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
> Use this file to discover all available pages before exploring further.

# UpdateIncomingInvoiceCashDiscountLineItemCommandRequestInput

> Changes a cash discount line item. Only the fields that are sent change. - Request



**Kind**: `input`

## Fields

**`incomingInvoiceId`**: `ID!` (required)

The ID of the incoming invoice.

---

**`lineItemId`**: `ID!` (required)

The ID of the line item.

---

**`name`**: `String`

Description. 1 to 255 characters.

---

**`amount`**: `Decimal`

The discount for this tax rate as a positive net amount in the invoice currency, greater than 0. The line item then has the quantity 1 and the net unit price minus this amount ("netAmount" is minus this amount). At most 12 digits before the decimal point; larger values are refused (400).

---

**`taxRate`**: `Decimal`

Tax rate in percent, 0 to 100.

---

**`idempotencyKey`**: `String`

Client-supplied idempotency key. When provided, a repeated request with the same key and payload replays the original result instead of re-executing the mutation.