# Conceptual Product Structure

## How to Update an Order

| ### What to do:
| To work through this example, you must first complete the example Create an Order.
| Select Start > Products > Configure Product The Order mask is opened.
| Search for 123.
| Click the Show Order BOM button. The Order BOM Overview mask is opened.
| Select Upper Body Housing and click the Add/Update Position button. The Order Specific Position mask is opened.
| The Order Specific Position mask can also be opened by clicking on the hyperlink of the item number in the Item Number field.
| Depending on the status of the order, and taking into account if an order specific BOM has been created before, certain attributes can be changed. In this example the Item Number and the Quantity can be changed.
| To change to edit mode click .
| Click in the Item Number field. The Items list s opened.
| Select ART-2500 from the Items list. The existing item ART-1500 will be replaced by the item ART-2500.
| Enter 10 in the Quantity field.
| To save the entry click .
| Close the Order Specific Position mask.
| To update the mask click .