cartcommand, you can send to LYNX the products your visitors have added to their cart.
categorycommand, allows you to track the category that's currently being browsed by your visitor.
purchasecommand, makes it possible to track purchases in your web store. It must be called whenever a purchase is made, passing the order identifier, the list of purchased items, the quantities and prices of each order.
ratecommand is used to collect explicit user ratings on items.
submitshould be issued once on every page of the website.
viewcommand, makes it possible to track which products your visitors view in your website. It has to be called on the product pages your visitors open and should pass the item identifier of the displayed products.