---
title: highlightingMode
framework: pdfkit
role: symbol
role_heading: Type Property
path: pdfkit/pdfannotationkey/highlightingmode
---

# highlightingMode

A string value that defines the way an annotation highlights when the user activates it, such as when clicking or tapping a link.

## Declaration

```swift
static let highlightingMode: PDFAnnotationKey
```

## See Also

### Configuring Annotation Appearance

- [appearanceDictionary](pdfkit/pdfannotationkey/appearancedictionary.md)
- [appearanceState](pdfkit/pdfannotationkey/appearancestate.md)
- [border](pdfkit/pdfannotationkey/border.md)
- [borderStyle](pdfkit/pdfannotationkey/borderstyle.md)
- [color](pdfkit/pdfannotationkey/color.md)
- [defaultAppearance](pdfkit/pdfannotationkey/defaultappearance.md)
- [PDFAnnotationHighlightingMode](pdfkit/pdfannotationhighlightingmode.md)
- [iconName](pdfkit/pdfannotationkey/iconname.md)
- [interiorColor](pdfkit/pdfannotationkey/interiorcolor.md)
- [quadding](pdfkit/pdfannotationkey/quadding.md)