--Kill a humamanoid in Lua. Grepper doesn't support Lua so this is set to "Whatever"
game.Players.PlayerAdded:Connect(function(player) -- gets player
local detector = --Add detector here
local function onClicked()
    player.Character.Humanoid.Health = 0 --or whatever you want it to be
    --optional more code
end
    detector.MouseClick:Connect(onClicked)
end)