function pompa(plr)
    local x,y,z = getElementPosition(plr)
    for i,v in pairs(getElementsByType("vehicle",resourceRoot)) do
        local x2,y2,z2 = getElementPosition(v)
        if getDistanceBetweenPoints3D(x,y,z,x2,y2,z2) <= 40 then
            outputChatBox("dziala")
            triggerClientEvent("ap",root)
        return end
    end
end

<meta>
    
    <script src="pompa.lua" type="client" />
        <script src="pompa_s.lua" type="server" />
    <file src="ap.wav"/>

</meta>

<meta>
    <info type="map" version="1.0.0"></info>
    <map src="PSPRPG.map" dimension="0"></map>
        <script src="pompa.lua" type="client" />
        <script src="pompa_s.lua" type="server" />
    <file src="ap.wav"/>
    
    <settings>
        <setting name="#maxplayers" value="[ 128 ]"></setting>
        <setting name="#useLODs" value="[ false ]"></setting>
        <setting name="#gamespeed" value="[ 1 ]"></setting>
        <setting name="#minplayers" value="[ 0 ]"></setting>
        <setting name="#gravity" value="[ 0.0080000004 ]"></setting>
        <setting name="#waveheight" value="[ 0 ]"></setting>
        <setting name="#locked_time" value="[ false ]"></setting>
        <setting name="#weather" value="[ 0 ]"></setting>
        <setting name="#time" value="12:0"></setting>
    </settings>
    <script src="mapEditorScriptingExtension_s.lua" type="server"></script>
    <script src="mapEditorScriptingExtension_c.lua" type="client" validate="false"></script>
</meta>

addEvent("ap",true)
addEventHandler("ap",root,function()
if not dzwiek then
dzwiek = playSound("ap.wav",true)
setSoundMaxDistance(50)
else
stopSound(dzwiek)
dzwiek = nil
end
end)