User Guide

 Check the box ―Generate a Credit Slip.‖
 To make a customer happy after committing an error in their order,
consider giving him a voucher by checking the box next to
―Generate a Voucher.‖
 You can also reimburse his shipping costs by clicking next to
―Include Shipping.‖
Once you have selected all the options you want, confirm by clicking on
―Refund Products.‖
The credit slip is now created and available in the order details...
...as well as in the "Credit Slips" tab.
You can click the link to download the PDF.
Your customer will see the slip in his user account space:
If you have created a voucher, they will see it in the ―My vouchers‖
section of their account. If they click on it, it should look something like
this: