> ## 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.

# SplitReturnLineItem

> Splits an existing return line item into two positions by reducing the original quantity and creating a new position with the split-off quantity.

If a request with this mutation's Idempotency-Key was already completed, the response's `extensions` contains an `idempotency.{responseName}` entry with `wasReplayed: true`.



**mutation** `SplitReturnLineItem(request: SplitReturnLineItemCommandRequestInput!): SplitReturnLineItem!`

## Arguments

**`request`**: `SplitReturnLineItemCommandRequestInput!` (required)

## Returns

`SplitReturnLineItem!`

**`originalLineItemId`**: `ID!`

The ID of the original line item (quantity reduced).

---

**`originalQuantity`**: `Decimal!`

The remaining quantity on the original position.

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**`newLineItemId`**: `ID!`

The ID of the newly created line item (with split-off quantity).

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**`newQuantity`**: `Decimal!`

The quantity on the new position.