public static function get_attempt_data_returns() {
        return new external_single_structure(
            array(
                'attempt' => self::attempt_structure(),
                'messages' => new external_multiple_structure(
                    new external_value(PARAM_TEXT, 'access message'),
                    'access messages, will only be returned for users with mod/quiz:preview capability,
                    for other users this method will throw an exception if there are messages'),
                'nextpage' => new external_value(PARAM_INT, 'next page number'),
                'questions' => new external_multiple_structure(self::question_structure()),
                'warnings' => new external_warnings(),
            )
        );
    }
public static function get_attempt_data_returns() {
        return new external_single_structure(
            array(
                'attempt' => self::attempt_structure(),
                'messages' => new external_multiple_structure(
                    new external_value(PARAM_TEXT, 'access message'),
                    'access messages, will only be returned for users with mod/quiz:preview capability,
                    for other users this method will throw an exception if there are messages'),
                'nextpage' => new external_value(PARAM_INT, 'next page number'),
                'questions' => new external_multiple_structure(self::question_structure()),
                'warnings' => new external_warnings(),
            )
        );
    }
public static function get_attempt_data_returns ( ) { return new external_single_structure ( array ( 'attempt' => self :: attempt_structure ( ) , 'messages' => new external_multiple_structure ( new external_value ( PARAM_TEXT , 'access message' ) , 'access messages, will only be returned for users with mod/quiz:preview capability,
                    for other users this method will throw an exception if there are messages' ) , 'nextpage' => new external_value ( PARAM_INT , 'next page number' ) , 'questions' => new external_multiple_structure ( self :: question_structure ( ) ) , 'warnings' => new external_warnings ( ) , ) ) ; }
Describes the get_attempt_data return value.

@return external_single_structure
@since Moodle 3.1
Describes the get_attempt_data return value .