There is no such function in wpForo. You can make private forums (with all topics and posts) not posts.

You said that you will add the function

In the next update.

So how to add prefixes?

Resolved

Unresolved

Waiting

100% French translation, chain problem that remains in English despite translation

In the footer how to edit the name

Propulsé par wpForo version 1.1.0

You can't edit, but you can remove it using the last option in Dashboard > Forums > Settings > Features admin page.

thank you very much

I'm ready to pay you, to add the "Set as private reply"

In Leave a Reply and Add Topic.

To avoid other people see the author's message, visible only to admin, moderator and author of the message.

How to add other prefixes next to topic Icones:

Need for "Unresolved" and "Waiting"

How to add the role of the user underneath the speudo?

For example: admin