how to create an xml for this?

Cloud.Users.create({ email: 'test@mycompany.com', first_name: 'test_firstname', last_name: 'test_lastname', password: 'test_password', password_confirmation: 'test_password' }, function (e) { if (e.success) { var user = e.users[0]; alert('Success:\n' + 'id: ' + user.id + '\n' + 'sessionId: ' + Cloud.sessionId + '\n' + 'first name: ' + user.first_name + '\n' + 'last name: ' + user.last_name);

        Ti.AppProperties.setBool("isLoggedIn", true);
        Ti.AppProperties.setString("sessionId", Cloud.sessionId);


        $.login.close();

} else {
    alert('Error:\n' + ((e.error && e.message) || JSON.stringify(e)));
}

});