Reveal Hidden Content

[NencioGizuh]

I'm trying to find the function where you can hide content in box so gives you a overview in the editor. But the problem is I can't find out how and where to find it

 

What I want:

 

 

If somebody can tell how I can get this in my post please do!

 

[DamagingRob]

That's the spoiler box. Should see an eyeball in the list of options at the top. I've noticed it's not there in some sections, though (like statuses). In which case, you can do this: [spoiler ] stuff [/spoiler]. Just don't put a space between the r and bracket in the first spoiler word.