txd_floors = engineLoadTXD ( "models/office_floors.txd" )
engineImportTXD ( txd_floors, 3781 )
col_floors = engineLoadCOL ( "models/office_floors.col" )
dff_floors = engineLoadDFF ( "models/office_floors.dff", 0 )
engineImportCOL ( col_floors, 3781 )
engineReplaceModel ( dff_floors, 3781 )
But I do not know where the IDs of the objects can find