retrieves the user id . concode_field_sep String lastName concode_elem_sep String firstName concode_elem_sep Address address concode_elem_sep String gender concode_elem_sep String id concode_elem_sep String email concode_elem_sep String username concode_field_sep String getPostCode concode_elem_sep String getCountry concode_elem_sep String getStreet concode_elem_sep String getAdditionalAddressInfo concode_elem_sep String getEmail concode_elem_sep String getGender concode_elem_sep String toString concode_elem_sep String getLastName concode_elem_sep String getFirstName concode_elem_sep String getCity concode_elem_sep String getUsername
String function ( ) { return id ; }