Let me welcome you first to the Online Community, dquindemil.
They can help find a way to see if you can redirect the customer to a specific page on your site. This way, you’ll be able to have the tracking code.
Please know the Community has your back. If you any other concerns while working in QuickBooks, post a comment below. I’ll get back as soon as possible to help you.
We'd love to send it as feedback to our engineers as well.