How to use the tencentcloud-sdk-nodejs.sms function in tencentcloud-sdk-nodejs

async function sendSms(phone, code) {
  const SmsClient = tencentcloud.sms.v20190711.Client;
  const Credential = tencentcloud.common.Credential;
  const ClientProfile = tencentcloud.common.ClientProfile;
  const HttpProfile = tencentcloud.common.HttpProfile;
  const secretId = process.env.TENCENTCLOUD_SECRETID;
  const secretKey = process.env.TENCENTCLOUD_SECRETKEY;
  const token = process.env.TENCENTCLOUD_SESSIONTOKEN;

  let cred = new Credential(secretId, secretKey, token);
  let httpProfile = new HttpProfile();
  httpProfile.endpoint = "sms.tencentcloudapi.com";
  let clientProfile = new ClientProfile();
  clientProfile.httpProfile = httpProfile;
  let client = new SmsClient(cred, "ap-guangzhou", clientProfile);

  let req = {
      PhoneNumberSet: ["+" + phone], //大陆手机号861856624****