1. Refer to this page to learn about showing a message on form submission
   
2. To ensure that your users don't accidentally submit forms upon clicking Enter/Return button on their devices, you (super-admin/admin) can enable the Confirm form submission form property. This opens a popup requesting users to acknowledge their confirmation to submit the form, before actually proceeding to form submission.

1. Open the form builder.
2. Click the Properties icon in the top-right of the form builder, as shown below. The Form Properties will appear on the right.
   
3. Enter the required text (a maximum of 255 characters) in the input box below Show Message.
   
   

Related topics:

1. Understand showing success message
   
2. Understand forms