Dunno if I got you correctly.
Npc part:
function creatureSayCallback(cid, type, msg)
if(msgcontains(msg, "exam")) then
if(getPlayerStorageValue(cid, STORAGE_ID) < 1) then
npcHandler:say("Do you want to pass an exam?", cid)
talkState[talkUser] = 1
elseif(getPlayerStorageValue(cid...