def METHOD_NAME(app: FastAPI):
    """
    **o2sparc variables and secrets** are identifiers-value maps that are substituted on the service specs (e.g. docker-compose).
        - **vendor secrets**: information set by a vendor on the platform. e.g. a vendor service license
        - **session variables**: some session information as "current user email" or the "current product name"
        - **lifespan variables**: produced before a service is started and cleaned up after it finishes (e.g. API tokens )
    """
    def on_startup() -> None:
        _setup_session_osparc_variables(app)
    app.add_event_handler("startup", on_startup)