---
title: NSCriticalAlertStyle
framework: appkit
role: symbol
role_heading: Global Variable
path: appkit/nscriticalalertstyle
---

# NSCriticalAlertStyle

## Declaration

```occ
static const NSAlertStyle NSCriticalAlertStyle;
```

## Discussion

Discussion Reserved for critical alerts, such as when severe consequences might result from certain user responses (for example, a “clean install” will erase all data on a volume). This style includes a caution icon badged with the app icon.

## See Also

### Deprecated Symbols

- [NSWarningAlertStyle](appkit/nswarningalertstyle.md)
- [NSInformationalAlertStyle](appkit/nsinformationalalertstyle.md)