Problem with item limite

[D0W3R]

Hi all.
I have some kind of problem here.
I need to limit only 1item of item-class
Like only one artifact may be picked up. (there will be a lot of artifacts)

---If you don't now how to trigger this than look down for other way that may be possible, but first one is better :/---

Only one 'GUN' may be picked up.
It may be triggered with variables some kind of this:
GUN[1] = Sword
GUN[2] = Bow
GUN[3] = Staff

Thanks for all

 

[ap0calypse]

A great tutorial.

Couldn't you kind of already guess that such threads already existed?

 

[D0W3R]

A great tutorial.

Couldn't you kind of already guess that such threads already existed?

I were looking for this kind of type tutorial, thanks