Hello, to account for the conversion and ecommerce tracking in analytics is necessary that you have to visit again at a later time after you have changed the status of your order or does not this need.
Another question would be if you had more information on how to rewrite the URL of the page thanks. For the menu item serves OPC and Virtuemart - Thank you page (opt) and how it works.
You have no documentation utilities works and how are you do not know how to set it right.
Thanks for everything.
greetings