/SLASHPLAY
How to damage yourself in GMod
With sv_cheats 1 on, type hurtme 50 in your game console to take 50 damage, handy for testing health kits or HUDs.
hurtme
Deals the given amount of damage to yourself; needs sv_cheats 1.
hurtme <damage> Examples
hurtme 50 Lose 50 health.
Arguments
damageRequired- Health to lose.
What it does
Useful for testing health kits, regeneration or HUD elements.
The game's own description: Hurts the player. Arguments: <health to lose>
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to garrysmod/cfg/server.cfg. New to this? Start a GMod server first.
Your own
GMod server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.