public static function get_contacts_returns() {
        return new external_single_structure(
            array(
                'online' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of online contacts'
                ),
                'offline' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of offline contacts'
                ),
                'strangers' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of users that are not in the user\'s contact list but have sent a message'
                )
            )
        );
    }
public static function get_contacts_returns() {
        return new external_single_structure(
            array(
                'online' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of online contacts'
                ),
                'offline' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of offline contacts'
                ),
                'strangers' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'id' => new external_value(PARAM_INT, 'User ID'),
                            'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
                            'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
                            'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
                            'unread' => new external_value(PARAM_INT, 'Unread message count')
                        )
                    ),
                    'List of users that are not in the user\'s contact list but have sent a message'
                )
            )
        );
    }
public static function get_contacts_returns ( ) { return new external_single_structure ( array ( 'online' => new external_multiple_structure ( new external_single_structure ( array ( 'id' => new external_value ( PARAM_INT , 'User ID' ) , 'fullname' => new external_value ( PARAM_NOTAGS , 'User full name' ) , 'profileimageurl' => new external_value ( PARAM_URL , 'User picture URL' , VALUE_OPTIONAL ) , 'profileimageurlsmall' => new external_value ( PARAM_URL , 'Small user picture URL' , VALUE_OPTIONAL ) , 'unread' => new external_value ( PARAM_INT , 'Unread message count' ) ) ) , 'List of online contacts' ) , 'offline' => new external_multiple_structure ( new external_single_structure ( array ( 'id' => new external_value ( PARAM_INT , 'User ID' ) , 'fullname' => new external_value ( PARAM_NOTAGS , 'User full name' ) , 'profileimageurl' => new external_value ( PARAM_URL , 'User picture URL' , VALUE_OPTIONAL ) , 'profileimageurlsmall' => new external_value ( PARAM_URL , 'Small user picture URL' , VALUE_OPTIONAL ) , 'unread' => new external_value ( PARAM_INT , 'Unread message count' ) ) ) , 'List of offline contacts' ) , 'strangers' => new external_multiple_structure ( new external_single_structure ( array ( 'id' => new external_value ( PARAM_INT , 'User ID' ) , 'fullname' => new external_value ( PARAM_NOTAGS , 'User full name' ) , 'profileimageurl' => new external_value ( PARAM_URL , 'User picture URL' , VALUE_OPTIONAL ) , 'profileimageurlsmall' => new external_value ( PARAM_URL , 'Small user picture URL' , VALUE_OPTIONAL ) , 'unread' => new external_value ( PARAM_INT , 'Unread message count' ) ) ) , 'List of users that are not in the user\'s contact list but have sent a message' ) ) ) ; }
Get contacts return description.

@deprecated since 3.6
@return external_description
@since Moodle 2.5
Get contacts return description .