Dear Sudhir,
In REFX Configuration we have the option to increase the cashflow to be generated for no of required years, that too we can maintain at Contract type level.
Path : RECACUST -->FLEXIBLE REAL ESTATE MANAGEMENT --> CONTRACT --> DEFINE CONTRACT TYPES --> Select your contract type - -> Under conditions node --> you can find a field --> CF Period --> Maintain the number of years required here- accordingly cash flow will be generated at contract level if contract validity is available for those many years.
This may solves your purpose. Just check.
Attached image FYI.Please revert if still your purpose not solved.
Regards,
Subbarao.Narne