In this configuration activity you are able to define a rules by which the CO Line Items will be selected. If you want all CO line items to transfer to the FI, then it is not necessary to do anything here.
IMG Path: Financial Accounting (New) -> Financial Accounting Global Settings (New) -> Ledgers -> Real-Time Integration of Controlling with Financial accounting -> Define Rules for Selecting CO Line Items
Table: GB90, GB901
When you start the transaction you have to options. Either change existing rules or create a new one,
Following is the screen for defining Rule name and description.
Following screen is where the definition of the rule happens.