code: function listFiles() {
  	gapi.client.drive.files.list({
  		'pageSize': 10,
  		'fields': "nextPageToken, files(id, name)"
  	}).then(function(response) {
  		appendPre('Files:');
  		var files = response.result.files;
  		if (files && files.length > 0) {
  			for (var i = 0; i < files.length; i++) {
  				var file = files[i];
  				appendPre(file.name + ' (' + file.id + ')');
  			}
  		} else {
  			appendPre('No files found.');
  		}
  	});
  }
docs: Print files.