Interstitial ads are full page ads that blocks the screen that the user will need to close the ad to remove it.
Initialize Google Mobile Ads
Before you can start displaying ads, you'll need to initialize Google Mobile Ads using the Initialize Google Mobile Ads node.
Creating and Displaying Interstitial Ads
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Load Ad
Click and hold on the callback pins and then drag on an empty spot. Select Add Event, then Add Custom Event to create the callback nodes.
Show Interstitial Ads
Interstitial ads are one time used ads. This mean that you will have to go through the cycle again - create, load, and show.
To show the interstitial ad, call the Show Ad node and pass in the Interstitial Ad.