Redirect to thank you page WP Wappointment

functions.php

<?php

function my_wappo_redirect_appointment_confirmed()
{

  echo '<script>';
  echo "document.addEventListener('wappo_confirmed', function (e) {
  
              window.location.replace('https://mysite.com/mythankyoupage');
              
            }, false);";
  echo '</script>';
}
add_action('wp_print_footer_scripts', 'my_wappo_redirect_appointment_confirmed');