1. You need to connect your google ad manger with our api email . if you not connect , read this article : How to Connect Dashboard With Your Google Ad Manager Account

2. If you already connect , you go to your dashboard > Ad Units. And then Add Units. But you need to add publishers and their websites first . If you not add , you will not see any informations. if you need help read this article: ( How to add publishers and How to add websites ).

you will see like this. follow steps.

3. And then you press Add Ad Units in right corner. You will see like under pictures. If you see like this, you will choose publishers and his websites, add Ad Units ID which you selected publisher and his website from your Google Ad Manager. And then you can set Revenue Share which he get for his website. And then Save . Done

Ad Units ID from Google Ad Manager . This you need to add