---
title: lux
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srambientlightsample/lux
---

# lux

An object that describes the sample’s luminous flux.

## Declaration

```swift
var lux: Measurement<UnitIlluminance> { get }
```

## See Also

### Measuring light level

- [chromaticity](sensorkit/srambientlightsample/chromaticity-swift.property.md)
- [SRAmbientLightSample.Chromaticity](sensorkit/srambientlightsample/chromaticity-swift.struct.md)
- [placement](sensorkit/srambientlightsample/placement.md)
- [SRAmbientLightSample.SensorPlacement](sensorkit/srambientlightsample/sensorplacement.md)