This transaction is necessary when you want to have a real-time integration flowing from the CO to the FI using the functionalities of the New General Ledger.
IMG Path: Financial Accounting (New) -> Financial Accounting Global Settings (New) -> Ledgers -> Real-Time Integration of Controlling with Financial accounting -> Real-Time Integration of Controlling with Financial Accounting
Table: FAGLCOFIVARC, FAGLCOFIVART
When you enter into the transaction you will see the current options for real-time integration flow from CO to FI. You have an options to either create a new rule or edit an already existing one.
The detailed screen looks like following.