How Use a Query String to Pre-populate Form Fields
If you’re looking to save some time, we have a great shortcut so you can pre-populate certain fields by using a query string. You’ll set it up in URL modifications, which we explain in greater detail on the URL modification page.
A few notes on pre-populating fields using this method
If you plan on using this method to pre-populate fields, know that you can’t pre-populate admin-only fields – these don’t exist on the public version of the form.
Additionally, if you want to hide the field, use CSS keywords.