(function ($, Drupal) {
 
    Drupal.behaviors.webformCustomBehavior = {
      attach: function (context) {
        $('.webform-submission-form #edit-submit').once().click(function (event) {
          _paq.push(['trackEvent', 'Formular', 'Newsletterabo']);
        });
      }
    }
  
  })(jQuery, Drupal);