code: def trigger(self, *args, **kwargs):
          
          self.args = args
          self.kwargs = kwargs
          self.aio_event.set()
docs: Called on event emission and notifies the :meth:`wait` method
  
          Called by :class:`AioEventWaiters` when the
          :class:`~pydispatch.dispatch.Event` instance is dispatched.
  
          Positional and keyword arguments are stored as instance attributes for
          use in the :meth:`wait` method and :attr:`aio_event` is set.