# MetaUserLinkerCallback

{% hint style="danger" %}
This document refers to deprecated parts of the platform and has been left intact to help customers with legacy integrations. In order to access the latest platform features and documentation, please go to <https://docs.sentiance.com>.
{% endhint %}

This interface is used with [`MetaUserLinkerAsync`](https://legacy-docs.sentiance.com/sdk/api-reference/metauserlinkerasync#link).

## MetaUserLinkerCallback API

### `onSuccess()`

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

### `onFailure()`

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