"you can just enter this portal once"

[Hmpfot]

Hello mates!

Im looking for a script that makes it possible to just enter a teleport once, im doing a banshee quest on my 100% custom maded map and i want a portal that u just can enter once so u dont HUNT in there, you kno what i mean? so when you enter it first time it works then 2nd time u go in there it says

"you can only enter this portal once"

plz help me

 

[Wymietek]

<?xml version="1.0" encoding="UTF-8"?> 
<movements> 
    <movevent type="StepIn" actionid="32412" event="script" value="BansheeTeleport.lua"/> 
     <!-- Decaying tiles --> 
    <movevent type="StepIn" itemid="293" event="script" value="decay.lua"/> 
    <movevent type="StepIn" itemid="461" event="script" value="decay.lua"/> 

    <!-- Swimming --> 
    <movevent type="StepIn" itemid="4828-4831" event="script" value="swimming.lua"/> 
    <movevent type="StepIn" itemid="7943-7954" event="script" value="swimming.lua"/> 

    <!-- Underwater drown --> 
    <movevent type="StepIn" fromid="5405" toid="5410" event="script" value="drown.lua"/> 
    <movevent type="StepOut" fromid="5405" toid="5410" event="script" value="drown.lua"/> 

    <!-- (Depot & Level) tiles --> 
    <movevent type="StepIn" itemid="416" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="417" event="script" value="tiles.lua"/> 
    <movevent type="StepIn" itemid="426" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="425" event="script" value="tiles.lua"/> 
    <movevent type="StepIn" itemid="446" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="447" event="script" value="tiles.lua"/> 
    <movevent type="StepIn" itemid="3216" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="3217" event="script" value="tiles.lua"/> 
    <movevent type="StepIn" itemid="3202" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="3215" event="script" value="tiles.lua"/> 
    <movevent type="StepIn" itemid="11059" event="script" value="tiles.lua"/> 
    <movevent type="StepOut" itemid="11060" event="script" value="tiles.lua"/> 
    <!-- <movevent type="StepIn" itemid="8714" event="script" value="tiles.lua"/> --> 

    <!-- Traps --> 
    <movevent type="StepIn" itemid="1510" event="script" value="trap.lua"/> 
    <movevent type="StepOut" itemid="1511" event="script" value="trap.lua"/> 
    <movevent type="StepIn" itemid="1512" event="script" value="trap.lua"/> 
    <movevent type="StepOut" itemid="1513" event="script" value="trap.lua"/> 
    <movevent type="StepIn" itemid="2579" event="script" value="trap.lua"/> 
    <movevent type="RemoveItem" itemid="2579" event="script" value="trap.lua"/> 

    <!-- Citizen teleport --> 
    <movevent type="StepIn" itemid="1387" event="script" value="citizen.lua"/>
</movements>