-- УраганСкрипт.lua
line = 'Fractals'
function main()
   number_of_candles=getNumCandles(line)
   t = getCandlesByIndex(line, 0, number_of_candles-20, 20)
   for i=0,19 do
      t1 = t[i]['low']
      t2 = t[i]['high']
      if t1+t2>0 then
         message(i..' '..line..' low = '..t1..',  high = '..t2)
      end
   end
end

-- УраганСкрипт.lua
line = 'Fractals'
function main()
   number_of_candles=getNumCandles(line)
   t = getCandlesByIndex(line, 0, number_of_candles-10, 10)
   for i=0,9 do
      t1 = t[i]['close']
      message(i..' '..line..' = '..t1)
   end
end

-- УраганСкрипт.lua
lineVolume = 'volumeSber'
function main()
   number_of_candles=getNumCandles(lineVolume)
   t = getCandlesByIndex(lineVolume, 0, number_of_candles -1, 1)
   t = t[0]['close']
   message('LastVolume = '..t)
end