def __call__(self, *largs):
        # if the event is not yet triggered, do it !
        if self._is_triggered is False:
            self._is_triggered = True
            # update starttime
            self._last_dt = self.clock._last_tick
            self.clock._events[self.cid].append(self)
            return True
Schedules the callback associated with this instance.
dataset/ETHPy150Open kivy/kivy/kivy/clock.py/ClockEvent.__call__