def METHOD_NAME(self, name: str = 'session'):
    """Set the name for the session.
    The `name` is used to name the session directory, e.g.
    `session_20201208_132800/`. The date is suffixed automatically.
    """
    now = datetime.utcnow().strftime("%Y%m%d_%H%M%S")
    self.session_name = f"{name}_{now}"