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# PDFAppearanceCharacteristicsKey

Keys to control a widget’s appearance.

```
struct PDFAppearanceCharacteristicsKey
```

## Topics

### Modifying Widget Appearance

[`backgroundColor`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/backgroundColor)

The background color of the widget annotation.

[`borderColor`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/borderColor)

The border color of the widget annotation.

[`caption`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/caption)

The text that the button widget annotation displays when the user isn’t interacting with it.

[`downCaption`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/downCaption)

The text that the button widget annotation displays when the user holds down on it.

[`rolloverCaption`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/rolloverCaption)

The text that the button widget annotation displays when the user hovers the pointer over it.

[`rotation`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/rotation)

The number of degrees, in multiples of 90, that the widget annotation rotates counterclockwise relative to the page.

### Creating an Appearance Characteristic Key

[`init(rawValue:)`](/documentation/PDFKit/PDFAppearanceCharacteristicsKey/init(rawValue:))

Creates an appearance characteristic key using the specified raw string.


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