---
title: "setUserId Method"
canonical: https://customerscanvas.com/docs/cc6/customerscanvas.iframeapi.runtimeconfiguration.setuserid.htm
archived: true
applies_to:
- product: "Customer's Canvas On-Premises"
- product: "Design Editor"
versions: ["6.15.0", "6.x (may differ)"]
---
**You’re viewing outdated documentation.** [View the latest Customer’s Canvas On-Premises documentation](https://customerscanvas.com/docs/on-premises/).
# setUserId Method
**Applies to:** Customer's Canvas On-Premises; Design Editor 6.15.0, 6.x (may differ) · **Archived documentation**
### Callable
- setUserId(userId: string ) : Promise < void >
- Sets a new user identifier and moves user files to this user's folders.
Before using this method, you must enable the [secure mode](https://customerscanvas.com/docs/cc6/appsettings-config.htm.md) and [update an authentication token](https://customerscanvas.com/docs/cc6/authentication.htm.md) by using the **additionalUserId** parameter with the new user identifier.
- example
- ```
Setting a new user ID
```
#### Parameters
- ##### userId: string
The new user identifier that needs to be set for the product.
#### Returns Promise < void >