Performs a SetHITTypeNotification operation to set REST notification
        for a specified HIT type

def set_rest_notification(self, hit_type, url, event_types=None):
        """
        Performs a SetHITTypeNotification operation to set REST notification
        for a specified HIT type
        """
        return self._set_notification(hit_type, 'REST', url, event_types)