---
title: outline
framework: pdfkit
role: symbol
role_heading: Type Property
path: pdfkit/pdfannotationhighlightingmode/outline
---

# outline

A highlight mode that inverts the annotation’s border.

## Declaration

```swift
static let outline: PDFAnnotationHighlightingMode
```

## See Also

### Choosing a Highlight Mode

- [invert](pdfkit/pdfannotationhighlightingmode/invert.md)
- [none](pdfkit/pdfannotationhighlightingmode/none.md)
- [push](pdfkit/pdfannotationhighlightingmode/push.md)