fieldUser.setVariable("username");
fieldUser.setType(FormField.Type.text_single);
fieldUser.setLabel("Username");
fieldUser.setRequired(true);
final FormField fieldName = registrationForm.addField();
fieldName.setVariable("name");
fieldName.setType(FormField.Type.text_single);
fieldName.setLabel("Full name");
if (UserManager.getUserProvider().isNameRequired()) {
fieldName.setRequired(true);