__xr={}
__xr.service={}
__xr.service.main={}
...
function service_zone_init(e)
end

function service_zone_main(e)
    Prompt("HELLO " .. #__xr.service.main)
    --for i=1, #__xr.service.main do
        --local func
        --func = __xr.service.main[i]
        --if func ~= nil then
        --    func()
        --end
    --end
    -- in older versions of FPSC:R scripts of far objects not called
    -- so I moved trigger zone nearlier to player
    --SetPosition(e, g_PlayerPosX, g_PlayerPosY, g_PlayerPosY)
end

function service_zone_init(e)
    for i=1, #__xr.service.init do
        local func
        func = __xr.service.init[i]
        if func ~= nil then
            func()
        end
    end
end

function service_zone_main(e)
    for i=1, #__xr.service.main do
        local func
        func = __xr.service.main[i]
        if func ~= nil then
            func()
        end
    end
    SetPosition(e, g_PlayerPosX, g_PlayerPosY, g_PlayerPosZ)
end