How do I configure the Thank You page?
If you click into the grey background space, the sidebar will show generic options related to the survey. This includes an option for the Thank You page.
Thank You page options
Show thank you page - yes/no.
Basic content of thank you page:
This is one of the few areas where we currently support open HTML.
For a more contextual thank-you page, consider using the dynamic markup:
The wizard is available again for building your logic/condition expressions.