Hi all: I'm looking for a webshop that sells digital products with a twist: instead of giving the user a link to a download (which would be to download the same application as everyone else) I want the purchase to trigger sending a licence key to the user (or, more generically, trigger a PHP function that I define). The whole point of the exercise is that the user will already have the application on their computer and all I want to do is send them a licence key. Thanks for any thoughts and/or suggestions...