How to use the pyhiveapi.Pyhiveapi.Switch function in pyhiveapi

username = config[DOMAIN][CONF_USERNAME]
    password = config[DOMAIN][CONF_PASSWORD]
    update_interval = config[DOMAIN][CONF_SCAN_INTERVAL]

    devices = session.core.initialise_api(username, password, update_interval)

    if devices is None:
        _LOGGER.error("Hive API initialization failed")
        return False

    session.sensor = Pyhiveapi.Sensor()
    session.heating = Pyhiveapi.Heating()
    session.hotwater = Pyhiveapi.Hotwater()
    session.light = Pyhiveapi.Light()
    session.switch = Pyhiveapi.Switch()
    session.weather = Pyhiveapi.Weather()
    session.attributes = Pyhiveapi.Attributes()
    hass.data[DATA_HIVE] = session

    for ha_type in DEVICETYPES:
        devicelist = devices.get(DEVICETYPES[ha_type])
        if devicelist:
            load_platform(hass, ha_type, DOMAIN, devicelist, config)
            if ha_type == "climate":
                hass.services.register(
                    DOMAIN,
                    SERVICE_BOOST_HEATING,
                    heating_boost,
                    schema=BOOST_HEATING_SCHEMA,
                )
            if ha_type == "water_heater":