ERROR: on_sent_ok Is Deprecated

More info on https://contactform7.com/2017/06/07/on-sent-ok-is-deprecated/

add_action( 'wp_footer', 'mycustom_wp_footer' );
 
function mycustom_wp_footer() {
?>
<script type="text/javascript">
document.addEventListener( 'wpcf7mailsent', function( event ) {
   SPU.show(2269);
}, false );
</script>
<?php
}

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Thanks

Thanks Damian for the reply but doesn’t works.When a customer fill the form doesn’t appear the popup.

I have in the functions.php file these code. It is correct?
I have to fix the problem asap.

<?php
function listify_child_styles() {
wp_enqueue_style( ‘listify-child’, get_stylesheet_uri() );
}
add_action( ‘wp_enqueue_scripts’, ‘listify_child_styles’, 999 );

function listify_custom_remove_url_slugs() {
add_filter( ‘submit_job_form_prefix_post_name_with_company’, ‘__return_false’ );
add_filter( ‘submit_job_form_prefix_post_name_with_location’, ‘__return_false’ );
add_filter( ‘submit_job_form_prefix_post_name_with_job_type’, ‘__return_false’ );
add_filter( ‘submit_job_form_prefix_post_name_with_job_region’, ‘__return_false’ );

}
add_action( ‘after_setup_theme’, ‘listify_custom_remove_url_slugs’ );

/**Code fix problem ok sent contact*/
add_action( ‘wp_footer’, ‘mycustom_wp_footer’ );

function mycustom_wp_footer() {
?>
<script type=”text/javascript”>
document.addEventListener( ‘wpcf7mailsent’, function( event ) {
SPU.show(2269);
}, false );
</script>
<?php
}