---
title: DDErrorDomain
framework: DeviceDiscoveryExtension
role: symbol
role_heading: Global Variable
platforms: [iOS 16.0+, iPadOS 16.0+, Mac Catalyst 16.0+, visionOS 1.0+]
path: devicediscoveryextension/dderrordomain
---

# DDErrorDomain

A unique error domain for the framework.

## Declaration

```swift
let DDErrorDomain: String
```

## Discussion

Discussion For more information, see Error domains.

## See Also

### Errors

- [DDError](devicediscoveryextension/dderror.md)
- [DDError.Code](devicediscoveryextension/dderror/code.md)
- [DDErrorHandler](devicediscoveryextension/dderrorhandler.md)
- [DDErrorOutType](devicediscoveryextension/dderrorouttype.md)