src/dfcx_scrapi/builders/flows.py [314:330]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        self._check_proto_obj_attr_exist()

        # Type error checking
        self._is_type_or_list_of_types(
            event_handlers, EventHandler, "event_handlers"
        )

        if not isinstance(event_handlers, list):
            event_handlers = [event_handlers]
        self.proto_obj.event_handlers.extend(event_handlers)

        return self.proto_obj


    def add_transition_route_group(
        self,
        transition_route_groups: Union[str, List[str]]
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



src/dfcx_scrapi/builders/pages.py [382:398]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        self._check_proto_obj_attr_exist()

        # Type/Error checking
        self._is_type_or_list_of_types(
            event_handlers, EventHandler, "event_handlers"
        )

        if not isinstance(event_handlers, list):
            event_handlers = [event_handlers]
        self.proto_obj.event_handlers.extend(event_handlers)

        return self.proto_obj


    def add_transition_route_group(
        self,
        transition_route_groups: Union[str, List[str]]
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -