How to make NPC weapon?

Hello. I made a scripted weapon, but i want to make it usable for NPC’s. I added SWEP into NPC weapon list, but NPC can’t shoot it. What i have to put into shared.lua or other lua file to make it fully usable for NPC’s?

[editline]7th March 2015[/editline]

So many guests thinks this post is way to make NPC weapon… I NEED SERIOUSLY HELP!