How to fetch last one minute volume of BTC in CCXT Nodejs.

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 const exchange = new ccxt.binance();

async  function  getLastOneMinuteVolume() {
    try {
      const binance = new ccxt.binance();
      const symbol = "BTC/USDT";
    //   const symbol = "USDT";
      const ohlcv = await binance.fetchOHLCV(symbol, "1m");
        console.log(ohlcv[ohlcv.length -1])
      const lastCandle = ohlcv[ohlcv.length - 1];
      const volume = lastCandle[5];
    //   console.log(lastCandle[5])
      console.log("Last one minute volume:", volume);
    } catch (error) {
      console.error(error);
    }
  }
 
//   getLastOneMinuteVolume();
  setInterval(getLastOneMinuteVolume, 1000)




first data in array is volume in USDT , last is volume in BTC , second is price.

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