How to use the ccxt.kucoin function in ccxt

gateio: ['Gate.io', ccxt.gateio],
    gemini: ['Gemini', ccxt.gemini],
    getbtc: ['GetBTC', ccxt.getbtc],
    hadax: ['HADAX', ccxt.hadax],
    hitbtc: ['HitBTC', ccxt.hitbtc],
    hitbtc2: ['HitBTC', ccxt.hitbtc2],
    huobi: ['Huobi', ccxt.huobi],
    huobicny: ['Huobi', ccxt.huobicny],
    huobipro: ['Huobi', ccxt.huobipro],
    ice3x: ['ICE3X', ccxt.ice3x],
    independentreserve: ['Independent', ccxt.independentreserve],
    indodax: ['INDODAX', ccxt.indodax],
    itbit: ['itBit', ccxt.itbit],
    jubi: ['jubi.com', ccxt.jubi],
    kraken: ['Kraken', ccxt.kraken],
    kucoin: ['Kucoin', ccxt.kucoin],
    kuna: ['Kuna', ccxt.kuna],
    lakebtc: ['LakeBTC', ccxt.lakebtc],
    lbank: ['LBank', ccxt.lbank],
    liqui: ['Liqui', ccxt.liqui],
    livecoin: ['LiveCoin', ccxt.livecoin],
    luno: ['luno', ccxt.luno],
    lykke: ['Lykke', ccxt.lykke],
    mercado: ['Mercado', ccxt.mercado],
    mixcoins: ['MixCoins', ccxt.mixcoins],
    negociecoins: ['NegocieCoins', ccxt.negociecoins],
    nova: ['Novaexchange', ccxt.nova],
    okcoincny: ['OKCoin', ccxt.okcoincny],
    okcoinusd: ['OKCoin', ccxt.okcoinusd],
    okex: ['OKEX', ccxt.okex],
    paymium: ['Paymium', ccxt.paymium],
    poloniex: ['Poloniex', ccxt.poloniex],

module.exports.getExchange = (name) => {
  switch (name) {
    case "binance":
      return new ccxt.binance({
        apiKey: config.binance_api_key,
        secret: config.binance_api_secret
      });
    case "kucoin":
      return new ccxt.kucoin({
        apiKey: config.kucoin_api_key,
        secret: config.kucoin_api_secret
      });
    default:
      throw new Error("Must specify exchange")
  }
}