axRequest.addAttribute("email", "http://axschema.org/contact/email", true);
axRequest.addAttribute("fullname", "http://axschema.org/namePerson", true);
axRequest.addAttribute("lastname", "http://axschema.org/namePerson/last", true);
axRequest.addAttribute("firstname", "http://axschema.org/namePerson/first", true);
axRequest.addAttribute("nickname", "http://axschema.org/namePerson/friendly", true);
authRequest.addExtension(axRequest);
// request simple registration data
SRegRequest sregRequest = SRegRequest.createFetchRequest();
sregRequest.addAttribute("email", true);
sregRequest.addAttribute("fullname", true);
sregRequest.addAttribute("nickname", true);