> 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/android/userlinkercallback.md).

# UserLinkerCallback

This interface is used with [`UserLinkerAsync`](/sdk/api-reference/android/userlinkerasync.md).

## UserLinkerCallback API

### `onSuccess()`

> ```java
> void onSuccess()
> ```
>
> Call this method after linking succeeds.

### `onFailure()`

> ```java
> void onFailure()
> ```
>
> Call this method after linking fails.