Third part ads reporting

[Richard Klement]

Constant Contact (previously Sharspring) has not updated their Google Ads integration after a system update and now reporting lead entry through Google ads is not working properly. What I need to do is get the Google Ads campaign name into the website (possibly as a 1st party cookie) and then I can interact with the Constant Contact API directly to specify the ad campaign to assign in Constant contact. The trouble is that all data from Google ads I've seen in the website is hashed and I've looked into cookie matching but the guides for doing that seem to be outdated. 

Is there any way to get the Google Ads campaign name from a website visitor at run time in clear text?