suggestive selling
we apply a discount based on the total qty of items in the cart. we want to have a notice on the screen when a user views the cart that advises them if they order x qty more they can save x on there order.
I know there must be a variable that stores the total number of item in the cart (qty) as it does apply a discount if the total number of qty's is over x.
what is the variable that has that number or how can i calculate the total qty's to use in my equation.