Wrath Of The Emperor - NEED ONE SCRIPT

Hey Brothers, i make scripts to make wrath and i have small problem.
I need one script:

- if on screen dont see monster "The Keeper" my walker goto label "X"


Please help me, PEACE @Oscagi @Jontor @Fatality

Code:

---

function findMonster(name)
    for n, c in Creature.iMonsters() do
        if (n == name and n:isOnScreen()) then
            return true
        end
    end
    return false
end

registerEventListener(WALKER_SELECTLABEL, "onLabel")

function onLabel(labelName)
    if (labelName == "checkMonster") then
        if (not findMonster("The Keeper")) then
            Walker.Goto("X")
        end
    end
end

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