def METHOD_NAME(self):
    try:
        n = int(self.positionChannel.get_value())
        value = "%s z%s" % (n, n)
        logging.getLogger("HWR").debug(
            "get_current_position_name: %s" % repr(value)
        )
        return value
    except Exception:
        logging.getLogger("HWR").debug("cannot get name zoom value")
        return None