With Piano Analytics, there is no longer an ID and declaration system in order to simplify the set-up of campaigns.
Your tracking URLs now look like:
If you don't want users to be exposed to the plaintext of your campaigns, it is possible to set up Match tables in your Data Model.
Example of an anonymised tracking: ?at_campaign=cfb10
Output label in the interfaces: Facebook Campaign October
Once your match table is created, access the Campaign - Name property and modify its Processing by adding the previously created match table (click on "Add an action" > "Replace: Match tables")
/!\ This method requires the administration of the match table(s) for each new campaign. The setting up of a match table is not retroactive.