Order Invoice widget
Use this widget to allow your customers to print invoices for their orders, directly from the website.
PREREQUISITES: You have created a page with the Orders list widget. For more information. see Orders list widget.
Drag the Order Invoice widget on the page.
The widget automatically displays the invoice that you want to print.
If you do not have any orders, the widget displays The system was unable to display the Invoice for the Order. The Order Invoice widget shows information for one order only, using the OrderId that is passed as a parameter to the page where you added the widget.
IMPORTANT: If you allow anonymous checkout, the invoice is displayed to the customer for a period of 90 seconds.