> ## 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.

# UpdatePurchaseOrderInput

> Changes of a purchase order header. Polymorphic: exactly one variant is sent, and it must be the kind of the order.



**Kind**: `input`

## Fields

**`warehousePurchaseOrderChanges`**: `WarehousePurchaseOrderChangesInput`

Changes of a purchase order to a warehouse.

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**`dropShippingPurchaseOrderChanges`**: `DropShippingPurchaseOrderChangesInput`

Changes of a drop shipping purchase order. The customer cannot be changed.