Graylog is so terrific for our application! I read that field decorators are automatically available/shared system-wide with all other user logins:
Decorators are applied on a stream-level, and are shared among all users capable of accessing a stream, so all users can share the same results and benefit from the advantages decorators add.
from http://docs.graylog.org/en/2.3/pages/queries.html#decorators
But the user I am testing with has Read on All Messages (where I think my descriptors are defined), and as a test, I expanded Read to all streams individually, still no decorators available.
[UPDATE] My decorators were defined on a single, other stream, not All Messages. As I recreate them on the All Messages stream, I see they are available on my user that has Read access to that stream after I hit Refresh in that user’s active browser session.[/UPDATE]