oracle fusion PPM Intercompany cost sharingand revenue transfer process

Summary: Need help on the process document for intercompany process

Creating an intercompany process as POC.

Did all the setups, created and intercompany contract in Provider BU and project in Receiver BU.

An AP invoice by using the project details from Provider BU, validated, accounted

Import cost program is not fetching these details and not interfacing to PPM

So need help in process document or user guide of the intercompany process as we need to do the POC for Manage Transfer Price Schedules and amount type Cost Transfer and Revenue Transfer