In the geodatabase schema report, can a new column be added to list any additional objects (tables, feature classes) participating in that attribute rule (AR)? By default, the attribute rule is involving the feature class (FC) where it has been established on, however at times the attribute rule looks at some other FC to do an overlay (identity, etc.). You can get that info from within the "Script" column where there is actual Arcade code with comments. My suggestion is to extract this additional FC and list its info separately in a new column. It would help tremendously when migrating the data between instances or when doing any schema changes. Usually the "owner' of that other FC which is being referenced in the AR is not even aware of its FC involvement, hence when doing changes to that other FC, accidentally invalidates the original AR. Having a single column listing all FCs involved in particular AR would be a great help for GDB admins. Thanks.