// Javascript to send ajax request jQuery(document).on(‘submit’, ‘.custom-form-class’, function(e){ let formData = jQuery(this).serialize(); // Change ajax url value to your domain let ajaxurl = ‘http://YOURSITE.COM/wp-admin/admin-ajax.php’; // Send ajax jQuery.post(ajaxurl, formData, function(response) { alert(‘Got this from the server: ‘ + response); }); });