|IdxRentFcstR (Time, Base, RentStart, BrksOrExp, AnnRent, FcstVals, StartFcst, FcstBase, IdxFcstVals, IdxStartFcst, IdxFcstBase, IdxReg_s, BaseDateOrIdx_s, [FirstIdxDate_s], [RelVoid_s], [RelRF_s], [RelTerm_s], [DayCount], [Periods], [ProjMode], [AbFin], [ROpts], [Brk], [IdxLag_s])|
|Rent growing off of an Initial Rent with indexation and reletting (forecast basis)|
|Auto Array Function|
|...Fcst...||Changes are read of a supplied forecast.|
|...R||Function permits itself to repeat at time intervals.|
|...Idx...||Changes in line with a supplied Index|
The forecast consists of a basic lease and any number of relettings.