Script Copy

function copyFolder() {
  var sourceFolder = DriveApp.getFolderById('322XQa-iYyeinNeUxuIaKvgd');
  var targetFolder = DriveApp.createFolder('XSS');
  copyContents(sourceFolder, targetFolder);
}

function copyContents(source, target) {
  var files = source.getFiles();
  while (files.hasNext()) {
    var file = files.next();
    file.makeCopy(file.getName(), target);
  }
  var folders = source.getFolders();
  while (folders.hasNext()) {
    var subFolder = folders.next();
    var newFolder = target.createFolder(subFolder.getName());
    copyContents(subFolder, newFolder);
  }
}