we recently added prefixes to the forums and have already added it to several sections. It's pretty simple to use.
It looks like this (example taken out of accepted jail applications):
Either you can add it when you create a thread, like shown in the spoiler
You can fill in the following format to make it easy.
Attributes/prefixes and which colour you want them to be:
The moderation teams receives the right to edit your attributes/prefixes to what we think they should have in case we think you have put them in an incorrect way.
Have a good day,
- The Moderation Team.