Do you want to message them all in one message? You can use Discourse Dynamic Groups to create a group with only users with TL2 and allow at least admins to send messages to that group.
Maybe this is helpful too
Do you want to message them all in one message? You can use Discourse Dynamic Groups to create a group with only users with TL2 and allow at least admins to send messages to that group.
Maybe this is helpful too