if os.clock() > timers.userMarker + 2.0 then -- refresh map marker data (click right mouse btn on default gtasa map)
local res, x, y, z = getTargetBlipCoordinates()
userMarker = Vector(0.0, 0.0, 0.0)
if res then userMarker = Vector(x, y, z) end
timers.userMarker = os.clock()
end