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# CIDocumentEnhancer

The properties you use to configure a document enhancer filter.

```
protocol CIDocumentEnhancer : CIFilterProtocol
```

## Topics

### Instance Properties

[`amount`](/documentation/CoreImage/CIDocumentEnhancer/amount)

The amount of enhancement.

[`inputImage`](/documentation/CoreImage/CIDocumentEnhancer/inputImage)

The image to use as an input image.

## See Also

[`documentEnhancer()`](/documentation/CoreImage/CIFilter-swift.class/documentEnhancer())

Adjusts an image’s shadows and contrast.


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