text: function(modal) {
      $('form', modal.body).on('submit', function() {
          modal.postForm(this.action, $(this).serialize());
          return false;
      });
  
      var restrictionTypePasswordField = $("input[name='restriction_type'][value='password']", modal.body);
      var restrictionTypeGroupsField = $("input[name='restriction_type'][value='groups']", modal.body);
      var passwordField = $(".password-field", modal.body);
      var groupsFields = $('#groups-fields', modal.body);
  
      function refreshFormFields() {
          if (restrictionTypePasswordField.is(':checked')) {
              passwordField.show();
              groupsFields.hide();
          } else if (restrictionTypeGroupsField.is(':checked')){
              passwordField.hide();
              groupsFields.show();
          } else {
              passwordField.hide();
              groupsFields.hide();
          }
      }
      refreshFormFields();
  
      $("input[name='restriction_type']", modal.body).on('change', refreshFormFields);
  }
  