Method update

rasa/shared/core/trackers.py:675–687

Modify the state of the tracker according to an ``Event``.

(self, event: Event, domain: Optional[Domain] = None)

        return Dialogue(self.sender_id, list(self.events))

    def update(self, event: Event, domain: Optional[Domain] = None) -> None:
        """Modify the state of the tracker according to an ``Event``."""
        if not isinstance(event, Event):  # pragma: no cover
            raise ValueError("event to log must be an instance of a subclass of Event.")

        if self.model_id and METADATA_MODEL_ID not in event.metadata:
            event.metadata = {**event.metadata, METADATA_MODEL_ID: self.model_id}

        if self.assistant_id and ASSISTANT_ID_KEY not in event.metadata:
            event.metadata = {**event.metadata, ASSISTANT_ID_KEY: self.assistant_id}

        self.events.append(event)
        event.apply_to(self)

    def update_with_events(
        self,