What is in your group? Just the nodes only, or also the application / component monitors? If it's just the nodes, I think you need to go down the advanced SQL route of report writer. Depending on your setup, you can use one of these routes
- quick win: use Application custom properties to mimic the specific groups you are trying to get a report for now. Application custom properties can be added as a field in the report writ
- holyguacamole's "best practice" way: create relevant node custom properties. Re-define your group definition using dynamic queries based on these node custom properties (i.e. Do not explicitly select the nodes that go into a group. Use dynamic queries to make this selection automatic / dynamic). Node custom properties are available for reports / alerts / filtering dashboard resources.
Also, please move this discussion to the SAM forum