kill all players in roblox void script builder

local players = game.Players:GetChildren()
local mouse = game.Players.LocalPlayer:GetMouse()

mouse.KeyDown:connect(function(key)
	key = key:lower()
	if key == "z" then
		for i, v in pairs(players) do
			v.Character.Humanoid.Health = 0
		end
	end
end)