Now you can display your cart items and prices on top of WHMCS. I know there is a lot of people want this feature for a long time i do have the hook for almost 7 month but there was some issues and i have come up with a fix and it's ready to be released today for free use.
Source Code Note: we will send the project to the PayPal payment email manually and this will take 24 hours to be done.
Source Code include 6 months Updates download with the initial purchase. After the first 6 months, updates download can be optionally renewed to maintain access at a cost of $15.00 per 6 months