def update(
        self, *, session: transcription_session_update_param.Session, event_id: str | NotGiven = NOT_GIVEN
    ) -> None:
        """Send this event to update a transcription session."""
        self._connection.send(
            cast(
                RealtimeClientEventParam,
                strip_not_given({"type": "transcription_session.update", "session": session, "event_id": event_id}),
            )
        )
Send this event to update a transcription session.
src/openai/resources/beta/realtime/realtime.py