TakeDamage (Method)

TakeDamage( Number damage )
Returns	nil
Description:	Subtracts the damage from the health of the targetted humanoid unless a ForceField is present.
Member of:	Humanoid

Example

game.Players.LocalPlayer.Character.Humanoid:TakeDamage(99)

'99' is the amount of damage that character will lose from their MaxHealth.