Hi,
Thank you for reaching out to us.
With regard to your concern for custom events, if you're using AdMob, I would suggest to use this Admob guide(https://developers.google.com/admob/android/custom-events/setup) for proper implementation of it using your AdMob account. Then if you're using AdManager, you can use this AdManager guide(https://developers.google.com/ad-manager/mobile-ads-sdk/android/custom-events/setup) for custom events. For you question, even AdMob and AdManager guides are too identical, we are still not suggesting to use different implementation guide since there might be some differences for each ad format implementation. Also, kindly note that the two SDK are using different ad unit ids format.
Regards,
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Mobile Ads SDK Team |