local barrierpos = {x=1000, y=1000, z=7}
local barrier2pos = {x=1000, y=1000, z=7}
local ITEMID = ITEM
function onSay(cid, words, param)
if getTileItemById(barrierpos, ITEMID).uid < 0 then
doCreateItem(ITEMID, 1, barrierpos)
doCreateItem(ITEMID, 1, barrier2pos)
doBroadcastMessage("MSG")
end...