public void perform(TaskRequest req, TaskResponse res) {
final Element rootElement = (Element) entityElement.evaluate(req, res);
final IUserLayoutStore rdbmdls = (IUserLayoutStore) layoutStore.evaluate(req, res);
SupportedFileTypes y = SupportedFileTypes.getApplicableFileType(rootElement, rdbmdls);
String entityFileName = y.getSafeFileNameWithExtension(rootElement);
ReturnValue rslt = (ReturnValue) req.getAttribute(Attributes.RETURN_VALUE);
rslt.setValue(entityFileName);
}