TSF 0.4 Item stat, increase physical damage by %

[thief]

Hello, I've been looking at everything different functions but i couldn't find anywhere that it talks about increasing physical dmg by %

could this be C++?
The idea is when someone wears XXXX item their physical damage is increasewd

 

[adric21]

Its better use tfs 1.2 have a lot of fuctions update