> ## 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.

# UpdatePurchaseOrderLineItemInput

> Changes of a line item. Polymorphic: exactly one variant is sent, and it must be the kind of the line. Allowances and charges cannot be written.



**Kind**: `input`

## Fields

**`purchaseOrderItemLineChanges`**: `PurchaseOrderItemLineChangesInput`

Changes of an item line.

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**`purchaseOrderCustomLineChanges`**: `PurchaseOrderCustomLineChangesInput`

Changes of a custom line.