esun Esun_Cart::config When enabled, only the selected customer groups can add products to the cart. Magento\Config\Model\Config\Source\Yesno Customers in these groups can use the complete purchase test flow. Leave empty to block all customers. Magento\Customer\Model\Config\Source\Group\Multiselect 1 Leave empty to use: Test Mode 1 Leave empty to use the default beta testing notice. 1 Esun\Cart\Model\Config\Backend\RecommendedProductSkus Enter one SKU per line. The order is the display order. Website scope inherits the default list unless Use Default is disabled.