help pls

function ulx.fps( calling_ply )
if not calling_ply:IsValid() then
Msg( "Your graphics are too high to lower!" )
        else

        calling_ply:ConCommand("cl_show_splashes 0")
         calling_ply:ConCommand("r_cheapwaterstart 1")
         calling_ply:ConCommand("r_cheapwaterend 1")


        end
   end

local fps= ulx.fps( "Utility", "ulx fps", ulx.fps, "!fps" )
fps:defaultAccess( ULib.ACCESS_ADMIN )