Make this npc only talk to a certain vocation

[wafuboe]

https://otland.net/threads/collecting-items-and-monster-missions.230261/

well i would like to make this npc, give missions only to a certain vocation c:
i want to put some guilds npc that gives missions to each of the vocations in game, so at the final mission
the npc gives a promotion

 

[Printer]

local function greetCallback(cid)
    if not isInArray({1, 5}, Player(cid):getVocation():getId()) then
        npcHandler:say("You have not required vocation.", cid)
        return false
    end

    npcHandler:setMessage(MESSAGE_GREET, "Welcome, ready for a task?")
    return true
end

npcHandler:setCallback(CALLBACK_GREET, greetCallback)