---
title: PKAddPassButtonStyle.blackOutline
framework: passkit
role: symbol
role_heading: Case
path: passkit/pkaddpassbuttonstyle/blackoutline
---

# PKAddPassButtonStyle.blackOutline

A black button with a light outline.

## Declaration

```swift
case blackOutline
```

## Discussion

Discussion Use this button when displaying this button against a dark background (shown here against a black background).

## See Also

### Constants

- [PKAddPassButtonStyle.black](passkit/pkaddpassbuttonstyle/black.md)