Set up a property

Tracking Info

Referral Exclusion List

Add your proprietary domains and exclude them from your referral traffic. Users arriving at your site via any of these domains will not be counted as referral traffic in your reports.

Custom definitions

Custom dimensions

If you're using your own Google Analytics property you can also set your own custom dimensions. Go to Admin > Property > Custom Definitions > Custom dimensions

You can add your own dimensions and metrics and use them to collect and analyze data not automatically tracked. Check below which variables are available on the Global Tracking default implementation:

Google Tag Manager instructions to implement Custom Dimensions

When creating your custom dimensions in Google Analytics, make sure you are matching the same index of your tracking setup in Google Tag Manager.