Sree Google Ads testing custom dimensions to enable reporting based on your business structure
https://searchengineland.comGroup and report on campaigns with a hierarchical structure to see performance by business category or marketing strategy.
If you manage large or complex accounts or have extensive campaign naming taxonomies, Google Ads custom dimensions might help simplify your reporting efforts and campaign naming systems.
What are custom dimensions? Not to be confused with custom dimensions in Google Analytics, custom dimensions in Google Ads allow you to append annotations to your campaigns to report on categories and subcategories aligned with your business structure and goals.
For example, you could set up and run custom dimensions to see aggregated campaign performance by product line and department. It’s in beta now and accessible from the “Tools” dropdown in Google Ads when enabled.