protected function wizardAddCategoryGroup()
    {
        $this->validatePrompt('title', $this->text('Name'), 'category_group');
        $this->validatePrompt('store_id', $this->text('Store ID'), 'category_group');
        $this->validateMenu('type', $this->text('Type'), 'category_group', $this->category_group->getTypes());

        $this->validateComponent('category_group');
        $this->addCategoryGroup();
    }