---
title: boostShadowAmount
framework: coreimage
role: symbol
role_heading: Type Property
path: coreimage/cirawfilteroption/boostshadowamount
---

# boostShadowAmount

A key for the amount to boost the shadow areas of the image.

## Declaration

```swift
static let boostShadowAmount: CIRAWFilterOption
```

## Discussion

Discussion The associated value must be an NSNumber object that specifies floating-point value. The value has no effect if the image used for initialization is not RAW.

## See Also

### Type Properties

- [activeKeys](coreimage/cirawfilteroption/activekeys.md)
- [allowDraftMode](coreimage/cirawfilteroption/allowdraftmode.md)
- [baselineExposure](coreimage/cirawfilteroption/baselineexposure.md)
- [boostAmount](coreimage/cirawfilteroption/boostamount.md)
- [ciInputEnableEDRModeKey](coreimage/cirawfilteroption/ciinputenableedrmodekey.md)
- [ciInputLocalToneMapAmountKey](coreimage/cirawfilteroption/ciinputlocaltonemapamountkey.md)
- [colorNoiseReductionAmount](coreimage/cirawfilteroption/colornoisereductionamount.md)
- [decoderVersion](coreimage/cirawfilteroption/decoderversion.md)
- [disableGamutMap](coreimage/cirawfilteroption/disablegamutmap.md)
- [enableChromaticNoiseTracking](coreimage/cirawfilteroption/enablechromaticnoisetracking.md)
- [enableSharpening](coreimage/cirawfilteroption/enablesharpening.md)
- [enableVendorLensCorrection](coreimage/cirawfilteroption/enablevendorlenscorrection.md)
- [ignoreImageOrientation](coreimage/cirawfilteroption/ignoreimageorientation.md)
- [imageOrientation](coreimage/cirawfilteroption/imageorientation.md)
- [linearSpaceFilter](coreimage/cirawfilteroption/linearspacefilter.md)