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# ARView.Environment.ImageBasedLight

Lighting properties of an environment.

```
struct ImageBasedLight
```

## Topics

### Resources

[`var resource: EnvironmentResource?`](/documentation/RealityKit/ARView/Environment-swift.struct/ImageBasedLight/resource)

The resource containing lighting information for the image based
light.

### Modulating intensity

[`var intensityExponent: Float`](/documentation/RealityKit/ARView/Environment-swift.struct/ImageBasedLight/intensityExponent)

The intensity value of the light, defined on a logarithmic scale.


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