Setting up ATP/CTP for Material & Resource in OPM Process Planning

I'm looking for guidance on setting up the GOP ( CTP ) for OPM data.

Client is using OPM Process Planning , application version R12.1.3.
Client wants to have the availability check done for end products while booking/scheduling the order.GOP should get into CTP mode and check the availability of the ingredients and resource capactiy , before suggesting the availability date.
Pls guide me on the set-up that needs to be done for checking the availability for the product.
Specific set-ups :
1.Item
2.Formula
3.Resources
4.Routing
5.Receipe

I'm looking for guidance on setting up the above entities and GOP specific attributes.