In SAP ERP 6.0 EhP7 it is possible to add new fields to FSCM-LP report so you have new dimmensions to analyze, ie: Profit Center.
The new functionality is described in SAP Note 1826731 with Business Function FIN_GL_DIR_CASHFLOW.
Add the fields: New GL Segment, Profit Center, Cost Center, WBS Element, Network, Vendor & Material to Liquidity Planner
Step 1: Activate BF FIN_GL_DIR_CASHFLOW with SFW5
Step 2: Add the new dimmensions to FLQ_EXTENSIONS table.
If the data is already used in the document chain, you need to create a copy of the data with a custom element, like ZLIFNR <-> LIFNR
Step 3: Create a new function to add the dimmensions
Copy function “flq_default_assign_gl” and add the logic you need. In this example we added: Cost Center, Profit Center, WBS element, Network, Vendor,
Step 4: Add the new function in FLQAF
Step 5: Add the new field in the reports FLQLS, FLQLI
Implement SAP Notes 1943794, 2172586