Dynamic Distribution Group 'DL-National' (dl-national@huc.edu) is available for use.
Users validate for this group based on the following criteria:
State = CA / NY / OH + CustomAttribute1 (ExtensionAttribute1 in AD) = ddl_national
You can modify the AD on-prem ExtensionAttribute1 value for user by opening their user account (with 'advanced features' enabled)

Using user 'Rhonda Gittens' as an example:

In time, the user will match the DDL and show up as a member.
--TJ Williams