---
title: needAuthenticator
framework: system
role: symbol
role_heading: Type Property
path: system/errno/needauthenticator
---

# needAuthenticator

Need authenticator.

## Declaration

```swift
static var needAuthenticator: Errno { get }
```

## Mentioned in

Adopting Swift Error Constants

## Discussion

Discussion Before mounting the given NFS file system, you must obtain an authentication ticket. The corresponding C error is ENEEDAUTH.

## See Also

### NFS Errors

- [authenticationError](system/errno/authenticationerror.md)
- [staleNFSFileHandle](system/errno/stalenfsfilehandle.md)