Create Custom Package for a Particular Client
I am using WHMCS for selling SEO Services or SEO Packages on our website.
I have created a list of products/services that are avaialable for any client to order from ../../cart.php.
But there are certain clients for whom I want to create a Custom SEO Package, which should be available to only them (they should be able to order it from their Client Panel (if they are registered with us already) or I should also be able to give them a URL for example a URL like ../../cart.php?gid=2 for them to order if they haven't registered with us yet) and not visible on ../../cart.php or to any other client.
Is it possible with WHMCS? If yes, how should I do that. Please let me know the step by step instructions for accomplishing that.