Zoom Webinar - Pardot Thank You Message

We have connected Pardot to Zoom Webinars successfully. We are working on creating a Pardot form. Is there a way to use the Pardot thank you message? We iframe the form on our website and want to keep the thank you message in the same iframe.

The Zoom instructions mentioned using <input name="redirect" type="hidden" value="html"> to show a different thank you message than Zoom. We aren't sure how to keep a thank you message in the same iframe or use the Pardot thank you message. Any ideas? Thank you!