---
title: ADClientErrorDomain
framework: iAd
role: symbol
role_heading: Global Variable
path: iad/adclienterrordomain
---

# ADClientErrorDomain

The error domain that passes to the completion handler.

## Declaration

```occ
extern NSString * const ADClientErrorDomain;
```

## Discussion

Discussion After ADClient, NSErrors from the ADClientErrorDomain are passed to the completion handler.

## See Also

### Attribution Errors

- [ADClientError](iad/adclienterror.md)