Github user andreaTP commented on the issue:
https://github.com/apache/zeppelin/pull/2551
> should we consider returning/displaying more than just the principal name?
now the name field is configurable via `shiro.ini`, basically you can
return different values in that field depending on configuration (e.g. look at
tests https://github.com/bujiio/buji-pac4j/pull/63/files)---
