Damage Part Script (Roblox)

local debouce = false
script.Parent.Touched:Connect(function(hit)
	if debouce == false then
		debouce = true
		if hit.Parent and hit.Parent:FindFirstChild("Humanoid") then
			hit.Parent.Humanoid:TakeDamage(20)
		end
		wait(0.5)
		debouce = false
	end
end)