game.StarterGui:SetCore('SendNotification', {Title='Press Ctrl'; Text='to delete stuff.', Duration=5;});
local delete = game.Players.LocalPlayer:GetMouse()
function onKeyPress(inputObject, gameProcessedEvent)
        if inputObject.KeyCode == Enum.KeyCode.LeftControl then
        delete.Target:Destroy()
        end
end

game:GetService("UserInputService").InputBegan:connect(onKeyPress)