I want to send an invite with a “Register and Pay Here” button. How do I link that with my shopping cart?
If by shopping cart you mean the Infusionsoft payment system (as opposed to a free-standing 3rd party shopping cart), then do the following:
Set up your product in the commerce section
Create an Order Form with that product on it
Send people to that Order Form and use it as your ‘registration’ page.
Anyone who completes the Order Form has now paid, and then just put them into your sequence as a ‘registrant’.
Hope that helps.