PyROOT
Some member functions of RooGlobalFunc that take a RooCmdArg as argument also support keyword arguments. So far, this applies to FitOptions, Format, Frame, MultiArg, YVar and ZVar.
ROOT.RooMCStudy(model, ROOT.RooArgSet(x), ROOT.RooFit.FitOptions=(ROOT.RooFit.Save(True), ROOT.RooFit.PrintEvalErrors(0)))
ROOT.RooMCStudy(model, ROOT.RooArgSet(x), FitOptions=dict(Save=True, PrintEvalErrors=0))