Lua NPC focus distance

[Evan]

Does anyone know how to change the NPC focus distance?
Like, after walking away 7 squares, the NPC will lose focus off you.
But I want to change it to 5.

Thanks

 

[Cykotitan]

npchandler.lua talkRadius

 

[Evan]

Thanks rep+

 

[RealSoft]

nvm changed my mind