In order to generate a GAM Passback tag for an Ad-unit, please follow the steps below:
- Select the Ad-unit you wish to create the passback tag for. (In "Inventory" > "Ad units")
- In the Ad unit page, select the "Tags" tab > select "Google Publisher Tag" as the tag type.
- Enable the "Create PassBack Tag" toggle and click on "Continue".
- Continue through Additional Tag Parameters.
- Copy and send us the Tag results.