public static void main(String[] args) throws CloudException { CloudApp.init("cpnbzclvxjts", "67d3f4e4-97e6-4f2b-91af-d553b9160e20"); SearchFilter filter = new SearchFilter(); filter.exists("name"); CloudSearch search = new CloudSearch("data", null, filter); search.search( new CloudObjectArrayCallback() { @Override public void done(CloudObject[] x, CloudException t) throws CloudException { // TODO Auto-generated method stub } }); }