The confirmation page is set up automatically when the web form site is created. Users see the confirmation page after they submit a form. Although there is default text on the confirmation page, website owners/editors can update the text on the confirmation page to fit their needs.
The default confirmation page looks like this:
You can edit the text on the confirmation page.
We highly recommend that you update the confirmation page with specifics to reflect your department, contact information, confirmation message, and any follow-up information you want to provide to your form submitters.
The confirmation page is one of two pages in the Pages folder of the form site, and is named confirmation. The page name and content can be edited to better suit your needs.