'ECommerce_Checkout', 'itemName' => 'Order', 'itemsName' => 'Orders', //allowed shipping methods 'shipping' => array( 'ups' => 'UPS', 'fedEx', 'usps' => 'USPS', 'manual' => 'Our Shipping' ), // list of payment processors that needs service product if cart item subtotal == 0 and shipping exists 'serviceProductPayments' => [], 'currency' => 'USD', );