-- LUA program return math.pi, 1234567890, 'local' -- Returning 0, 0 invalidates the result value = 0 timestamp = 0 source = '' -- Check for the existence of each level. if( lensmeter and lensmeter.right and lensmeter.right.cyl and lensmeter.right.cyl.value and lensmeter.right.cyl.timestamp ) then timestamp = lensmeter.right.cyl.value value = lensmeter.right.cyl.value end return value, timestamp, source