GPT-samples-display-anchor-ad Ad Manager docs
This example displays an anchor ad using the Google Publisher Tag (GPT) library. Learn more about anchor ads in the Google Ad Manager help center. You can display a demo anchor ad on any page that shows ads with GPT by adding gamTopAnchorDemo or gamBottomAnchorDemo to the URL. For example, This functionality can be used to preview anchor ads on your site with no code changes required. This is especially useful to quickly validate how anchors will look and behave on different devices and in different operating environments. To ensure an optimal user experience, anchor ads are only requested on
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