# Test in Sanbox mode

## TEST YOUR ADUNIT BEFORE IT GOES LIVE <a href="#betterdocs-entry-title" id="betterdocs-entry-title"></a>

Test your Ad Unit before it goes live by selecting the Sandbox option in the bottom-right corner when creating the Ad Unit:

<figure><img src="https://1889388802-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8FPXPNk0nLIRsJsg3nxP%2Fuploads%2F7fFGlVD7hcoEKuZP2FHP%2Fimage.png?alt=media&#x26;token=6e4fa737-5f07-4896-a0f9-c44e715aa50b" alt=""><figcaption></figcaption></figure>

Click on the Preview button near your newly created AdUnit to show a web-preview of the Offerwall.

<figure><img src="https://1889388802-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8FPXPNk0nLIRsJsg3nxP%2Fuploads%2FASx3cCx5QFmtS7RMuklA%2Fimage.png?alt=media&#x26;token=baae4a78-d39c-413b-859a-6e48aec47081" alt=""><figcaption></figcaption></figure>

You can use the offer "MAF Test Offer" to test your integration. The offer will grant a reward to the user everytime you click on that.

<figure><img src="https://1889388802-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8FPXPNk0nLIRsJsg3nxP%2Fuploads%2Fm83vGDvxNlmxyzCPyYFS%2Fimage.png?alt=media&#x26;token=3b594371-ac62-4539-9c06-6f62d91d03de" alt="" width="302"><figcaption></figcaption></figure>