PhpBB3 BBCodes

hello

I am new here.
I have a question...
whitch mod is this here in the board in the editor``??(i mean in the editor stands phpbb3 bbcodes)
how does this work?
Can you please descripe it??
And please a example?

if you mean this
then this is it

viewtopic.php?f=45&t=1381

hello

thanks but it i´snt that...

i mean this:

the phpbb3 bbcodes logo inside the editor
please

here you go:

viewtopic.php?f=45&t=1304