protected function wizardAddCart()
    {
        // Required
        $this->validatePrompt('user_id', $this->text('User ID'), 'cart');
        $this->validatePrompt('product_id', $this->text('Product ID'), 'cart');
        $this->validatePrompt('sku', $this->text('Product SKU'), 'cart');
        $this->validatePrompt('store_id', $this->text('Store ID'), 'cart');

        // Optional
        $this->validatePrompt('quantity', $this->text('Quantity'), 'cart', 1);
        $this->validatePrompt('order_id', $this->text('Order ID'), 'cart', 0);
        $this->validatePrompt('data', $this->text('Data'), 'cart');

        $this->setSubmittedJson('data');
        $this->validateComponent('cart');
        $this->addAddCart();
    }