# updateUserReference

### Description

Updates the reference identifier for a specific user based on the user `UUID`. The reference is a custom identifier that can be used to link users to external systems.

{% code overflow="wrap" %}

```javascript
public updateUserReference(userId: string, reqParams: VyUpdateUserReferenceRequest) : VyPromise<VyUserReferenceDto>
```

{% endcode %}

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**Parameters**

| userId    | string                                                                                                                            | The user \`UUID\` whose \*\*reference\*\* you want to update. |
| --------- | --------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------- |
| reqParams | [VyUpdateUserReferenceRequest](https://sdk.venly.io/sdk-reference/ts-js-v3/object-references/wallet/vyupdateuserreferencerequest) | Request data for the operation                                |

**Returns**

VyPromise<[VyUserReferenceDto](https://sdk.venly.io/sdk-reference/ts-js-v3/object-references/wallet/vyuserreferencedto)>\
User's reference updated successfully.
{% endtab %}
{% endtabs %}