> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.coupontools.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Where do I activate the validation widget?

You can use the validation widget for validating a campaign. You can activate it (1) and edit it (2) in the menu Validation methods in the coupon builder:

![](https://storage.crisp.chat/users/helpdesk/website/4c4cc617dc0a0c00/widget-1_1ga9uui.png)

In the Validation widget settings, you can edit the login and layout:

![](https://storage.crisp.chat/users/helpdesk/website/4c4cc617dc0a0c00/widget-2_1lj524g.png)

The validation widget can be used as a web page, you can find the URL on the settings-page.
Other than that, you can also download the widget as an app:  

![](https://storage.crisp.chat/users/helpdesk/website/4c4cc617dc0a0c00/widget-3_1phuryo.png)

You find more information about how the validation widget & app works by clicking on this link:
http://help.coupontools.com/en/articles/2908203-how-works-your-validation-widget-app