---
title: authenticationNeeded
framework: cryptotokenkit
role: symbol
role_heading: Type Property
path: cryptotokenkit/tkerror/authenticationneeded
---

# authenticationNeeded

Authentication is needed.

## Declaration

```swift
static var authenticationNeeded: TKError.Code { get }
```

## See Also

### Checking Error Codes

- [notImplemented](cryptotokenkit/tkerror/notimplemented.md)
- [communicationError](cryptotokenkit/tkerror/communicationerror.md)
- [corruptedData](cryptotokenkit/tkerror/corrupteddata.md)
- [canceledByUser](cryptotokenkit/tkerror/canceledbyuser.md)
- [authenticationFailed](cryptotokenkit/tkerror/authenticationfailed.md)
- [objectNotFound](cryptotokenkit/tkerror/objectnotfound.md)
- [tokenNotFound](cryptotokenkit/tkerror/tokennotfound.md)
- [badParameter](cryptotokenkit/tkerror/badparameter.md)
- [TKErrorAuthenticationFailed](cryptotokenkit/tkerror/tkerrorauthenticationfailed.md)
- [TKErrorObjectNotFound](cryptotokenkit/tkerror/tkerrorobjectnotfound.md)
- [TKErrorTokenNotFound](cryptotokenkit/tkerror/tkerrortokennotfound.md)