Damage Table.. Realistic Damage!

I’m wanting to make a realistic damage. Like of a player is shot in a certain area they take more damage. Like chest shot takes more than per say leg or arm. So how would I start something like this?

The example on the **[Gamemode.ScalePlayerDamage

http://wiki.garrysmod.com/favicon.ico](wiki.garrysmod.com/?title=Gamemode.ScalePlayerDamage)** page is what you’re looking for.