Yes, you can user classification, however, classification lets you add data as dimensions only. So, if you want a report where you want to use user_id as dimension, against which you want to see the months_in_community (which is a number), as a metric, it would make sense and also be helpful in case...

Since you do not have month_in_community data in Adobe Analytics, so you would first need to bring it in Analytics.I would suggest using Data Source, to ingest data from Warehouse in Adobe Analytics.Create a data file for Adobe Data Source that contains user_id (for correlation) and months_in_commun...

Check for below steps:Make sure you have created a Data Element (Variable type) with "Data" selected as property and "Adobe Analytics" as Solution.With in rule, Action type as Update variable, select the Data Element (you created above), and populate the variable.Next action in rule, for Send Event,...

You can use the Event Forwarding extension for the same:https://experienceleague.adobe.com/en/docs/experience-platform/tags/extensions/server/linkedin/overview