How can I use the form response to personalize the confirmation message in Google Forms?

You can change the default confirmation message in Google Forms, but it does not allow you to personalize the confirmation message for each user. You can use the Formfacade add-on to personalize the confirmation message based on the form responses.

How to personalize the confirmation message?

Pre-requisite: You must have installed the Formfacade add-on for Google Forms. If you haven't installed the add-on yet, you can install it from G Suite marketplace using this link. https://gsuite.google.com/marketplace/app/formfacade/743872305260