Will this work?

It indeed does: https://community.nodebb.org/topic/71fe3f89-361c-4716-a79e-de02f94b3113/test-from-lemmy-to-nodebb

@[email protected] hi! It should. Let me know if it does not.

Except if it doesn't work you'll never know I replied

I see this in my own forum, because it synchronized to nodebb.org, and then to me. How was it posted? By using the NodeBB forum as a Lemmy community?

@[email protected] yes, Lemmy has a local representation of this category, and sends the post here. I see that it's addressed to the category and automatically slot it in