This are 2 behaviors that display a region if a cart is in stock or is out of stock. Cart is in stock: The cart is in stock when all the items quantity are available (the stock quantity of the item is >= of the cart item quantity) Cart is out of stock: The cart is out of stock when one or more items quantity are not available (the stock quantity of the item is < of the cart item quantity) This behavior don't have a visual panel because don't need parameters, but only insert in the page the code to repeat the selection for each items in the cart.