> For the complete documentation index, see [llms.txt](https://docs.sentiance.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sentiance.com/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentuserlinkingcompletionhandler.md).

# SENTUserLinkingCompletionHandler

```objective-c
typedef void (^SENTUserLinkingCompletionHandler)(SENTUserLinkingResult *_Nullable result,
                                                 SENTUserLinkingError *_Nullable error);
```