Adding Dynamic HTML from Page to Gravity Form field

Question

This is a crazy request that I'm hoping I can get an answer to.

I have a product configurator that displays a table of all the options the customer chose in a div tag. The HTML is <div class="hhpt-liveSummary"></div> and the rest inside the div tag is dynamically populated.

The issue I'm having is getting that populated HTML on the page to go into a form field (I am using Gravity Forms for Wordpress).

This tutorial works great - for non dynamically populated html.

https://typewheel.xyz/capture-post-content-gravity-form-field/

I followed the tutorial above to a "T" and instead of the table data that shows on the page from the div tag posted above, all I get in the text box is the

---

TLDR; I need to find a way to get dynamically populated HTML into a text field of any sort.