Hook rwmb_frontend_before_display_confirmation

Hello,

Here is an example of how to use the hook rwmb_frontend_before_display_confirmation

add_action( 'rwmb_frontend_before_display_confirmation', function() {
    echo '<p>Custom text before confirmation</p>';
} );

you can use the hook to show something before the confirmation message after submitting the form, screenshot https://imgur.com/LaWE3q8

Hello,

There is no action hook for Ajax submission. In the background, it processes the same functions with/without Ajax. Please check all the Frontend form hooks in the documentation
http://docs.metabox.io/extensions/mb-frontend-submission/#hooks-1