public function AddNewForm()
    {
        $action    = FormAction::create('doAddNew', _t('QUICKADDNEW.Add', 'Add'))->setUseButtonTag('true');

        if (!$this->isFrontend) {
            $action->addExtraClass('ss-ui-action-constructive')->setAttribute('data-icon', 'accept');
        }

        $actions = FieldList::create($action);
        $form = Form::create($this->owner, 'AddNewForm', $this->addNewFields, $actions, $this->addNewRequiredFields);

        $this->owner->extend('updateQuickAddNewForm', $form);

        return $form;
    }