---
title: NSApplication.DelegateReply.failure
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsapplication/delegatereply/failure
---

# NSApplication.DelegateReply.failure

Indicates an error occurred processing the operation.

## Declaration

```swift
case failure
```

## See Also

### Constants

- [NSApplication.DelegateReply.success](appkit/nsapplication/delegatereply/success.md)
- [NSApplication.DelegateReply.cancel](appkit/nsapplication/delegatereply/cancel.md)