# CreatePurchaseOrder

Allows you to add purchase orders. To learn more about purchase orders in Xero visit the [Xero Business Help Centre](https://help.xero.com/int/PurchaseOrders).

### Properties <a href="#properties" id="properties"></a>

**Authentication**

Authentication values used to connect to the Xero server.

**PurchaseOrder**

Purchase order to create.

Mandatory fields:

* **Contact:** You need to provide the ContactID or ContactNumber of an existing contact. For more information on creating contacts see CreateContact.
* **LineItems:** The LineItems collection can contain any number of individual LineItem sub-elements. At least one LineItem is required to create a complete PurchaseOrder.

### Output <a href="#output" id="output"></a>

**PurchaseOrder**

The purchase order created.

### Links <a href="#links" id="links"></a>


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