An Advertiser Tag is a tag designed for advertisers to be able to do different type of retargeting on their campaigns running through Widespace network. For instance you can collect data to find twins, retarget audience, track conversion and categorize the traffic on your site.
Follow these steps to generate the tag:
1. Go to the tab Tools and click Advertiser Tags from the drop down menu.
2. Click on Create Tag.
3. Give the tag a relevant name and click on Create Advertiser Tag
To get the script, you go to Tools and then Advertiser Tags. Click on the button Get Script.
Read more about Advertiser Tags and the implementation of it here.
When running campaigns where you would like to target this specific Advertiser Tag, you do it in the Targeting tab inside the flight.