Garry's Mod lua all-entities finder?

local targ_ents = {"money_printer"}


-- The actual wallhack itself.
function MPGH_FINDENTS()

for k,v in pairs ( ents.GetAll() ) do
 
if table.HasValue(targ_ents, v:GetClass()) then
local entpos = v:GetPos():ToScreen()
draw.DrawText(v:GetClass(), "ChatFont", entpos.x, entpos.y, Color(255,255,255), 1)
end
  
end


end
hook.Add("HUDPaint", "find targeted entities", MPGH_FINDENTS)



-- Adding a target to the target list.
function MPGH_ADDTARGET(ply, cmd, args)

if not tostring(args[1]) then
LocalPlayer():PrintMessage(HUD_PRINTTALK, "Error! Usage: mpgh_entfinder_add <class name>")
return end

table.insert(targ_ents,args[1])

end

concommand.Add("mpgh_entfinder_add", MPGH_ADDTARGET)



-- list all entity class names in console.
concommand.Add("mpgh_listallents" function()

for k,v in pairs(ents.GetAll()) do

print(v:GetClass())

end

end)