How can I get a tracker?
There are multiple ways to obtain a tracker:
2 - Media - Media Items, go to Create media item. Select the campaign from the list. You can type and wildcard search where required. Fill in the details, such as traffic type, marketing source and geo.
Once created, a media item appears and you can either extract the tracker via the Copy clipboard icon or download the media item should you need information in bulk.
More information can be found here: Extracting a Tracking Link