StartEvent wait_timer EndItAll CycleStart Refill_Coffee CycleEnd Flow_1pahvlr Flow_0jtfzsk (2,timedelta(seconds=0.1)) Flow_0jtfzsk Flow_07sglzn print('refill count = %d'%custom_function()) Flow_07sglzn Flow_1pahvlr Flow_05ejbm4 timedelta(seconds=0.5) Flow_05ejbm4