Questetra Get Membership Mail Address Belong To Org

//////// START "main()" /////////////////////////////////////////////////////////////////
main();
function main() {

  //// == Config Retrieving / 工程コンフィグの参照 ==
  //// == Data Retrieving / ワークフローデータの参照 ==
  //// == Validation / 入力チェック
  const conf_qgroupId = configs.get( "conf_QgroupId" );
  const conf_Qusers_separating_newline = configs.getObject( "conf_Qusers_separating_newline" );
  const conf_Qusers_separating_comma = configs.getObject( "conf_Qusers_separating_comma" );

  //// == Calculating / 演算 ==
  const qGroup = qgroupDao.findById( new java.lang.Long(conf_qgroupId) );
  const qUsers = quserDao.findByQgroup( qGroup );

  let qUsersList = "";
  let qUsersListByComma = "";

  for(var i=0; i < qUsers.size(); i++){
      qUsersList += qUsers.get(i).getEmail() + "\n";
      qUsersListByComma += qUsers.get(i).getEmail() + ",";
  }
  qUsersList = qUsersList.replace(/\n$/,"");
  qUsersListByComma = qUsersListByComma.replace(/\,$/,"");
  engine.log("qUsersList: " + qUsersList);
  engine.log("qUsersListByComma:" + qUsersListByComma + "");

  //// == Data Updating / ワークフローデータへの代入 ==
  if ( conf_Qusers_separating_newline !== null ){
    engine.setData( conf_Qusers_separating_newline, new java.lang.String(qUsersList) );
  }
  if ( conf_Qusers_separating_comma !== null ){
    engine.setData( conf_Qusers_separating_comma, new java.lang.String(qUsersListByComma) );
  }
} //////// END "main()" /////////////////////////////////////////////////////////////////