For all pages in Unbounce related to your affiliate campaign, you'll want to install the Rootabl tracking code.
You'll want to make sure the code is on your landing pages, forms, and thank you pages as well.
Follow these steps to install the conversion tracking snippet on your form confirmation dialogue.
In the Classic Builder, navigate to the Form Confirmation Dialog tab at the top of the page.
Click the Javascripts
button at the bottom of the Unbounce Builder. A new dialog box will appear:
If you’re using a confirmation/thank-you landing page instead of the form confirmation dialog, these steps will also work! Simply open the page with the Classic Builder, and navigate to the Javascripts button.