0 = Resimulation can trigger on any physics step. \n -1 or other negative values = Resimulation only happens on the last physics step (if multiple are queued up at the same time). \n N = Resimulation only happens on the specified step or last, whichever comes first (if multiple are queued up at the same time)
Usage
p.Resim.ResimulateOnSpecifiedStep [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.