Фильтр в CIBlockSection::GetList

$arFilter=array("PROPERTY_tb_VALUE"=>"buy");

[FILTER_NAME] => Array
        (
            [=PROPERTY_moderator_VALUE] => отображать
        )

$uri = explode("/", $_SERVER["REQUEST_URI"]);

                $arFilter = array("CODE" => $uri[2]);   
      $rsSect = CIBlockSection::GetList(array('left_margin' => 'asc'),$arFilter);

CIBlockResult Object
(
    [arIBlockMultProps] => 
    [arIBlockConvProps] => 
    [arIBlockAllProps] => 
    [arIBlockNumProps] => 
    [arIBlockLongProps] => 
    [nInitialSize] => 
    [table_id] => 
    [strDetailUrl] => 
    [strSectionUrl] => 
    [strListUrl] => 
    [arSectionContext] => 
    [bIBlockSection] => 
    [nameTemplate] => 
    [_LAST_IBLOCK_ID] => 19
    [_FILTER_IBLOCK_ID] => Array
        (
        )

    [result] => Resource id #1163
    [arResult] => 
    [arReplacedAliases] => 
    [arResultAdd] => 
    [bNavStart] => 
    [bShowAll] => 
    [NavNum] => 
    [NavPageCount] => 
    [NavPageNomer] => 
    [NavPageSize] => 
    [NavShowAll] => 
    [NavRecordCount] => 
    [bFirstPrintNav] => 1
    [PAGEN] => 
    [SIZEN] => 
    [SESS_SIZEN] => 
    [SESS_ALL] => 
    [SESS_PAGEN] => 
    [add_anchor] => 
    [bPostNavigation] => 
    [bFromArray] => 
    [bFromLimited] => 
    [sSessInitAdd] => 
    [nPageWindow] => 5
    [nSelectedCount] => 
    [arGetNextCache] => Array
        (
            [ID] => 
            [TIMESTAMP_X] => 
            [MODIFIED_BY] => 
            [DATE_CREATE] => 
            [CREATED_BY] => 
            [IBLOCK_ID] => 
            [IBLOCK_SECTION_ID] => 
            [ACTIVE] => 
            [GLOBAL_ACTIVE] => 
            [SORT] => 
            [NAME] => 
            [PICTURE] => 
            [LEFT_MARGIN] => 
            [RIGHT_MARGIN] => 
            [DEPTH_LEVEL] => 
            [DESCRIPTION] => 1
            [DESCRIPTION_TYPE] => 
            [SEARCHABLE_CONTENT] => 
            [CODE] => 
            [XML_ID] => 
            [TMP_ID] => 
            [DETAIL_PICTURE] => 
            [SOCNET_GROUP_ID] => 
            [LIST_PAGE_URL] => 
            [SECTION_PAGE_URL] => 
            [IBLOCK_TYPE_ID] => 
            [IBLOCK_CODE] => 
            [IBLOCK_EXTERNAL_ID] => 
            [EXTERNAL_ID] => 
        )

    [bDescPageNumbering] => 
    [arUserFields] => 
    [SqlTraceIndex] => 
    [DB] => CDatabase Object
        (
            [version] => 
            [escL] => `
            [escR] => `
            [alias_length] => 256
            [DBName] => bitrix_test3
            [DBHost] => localhost:31006
            [DBLogin] => root
            [DBPassword] => 
            [bConnected] => 1
            [db_Conn] => Resource id #51
            [debug] => 
            [DebugToFile] => 
            [ShowSqlStat] => 
            [db_Error] => 
            [db_ErrorSQL] => 
            [result] => 
            [type] => MYSQL
            [column_cache] => Array
                (
                )

            [bModuleConnection] => 
            [bNodeConnection] => 
            [node_id] => 
            [bMasterOnly] => 0
            [obSlave] => 
            [cntQuery] => 0
            [timeQuery] => 0
            [arQueryDebug] => Array
                (
                )

        )

    [NavRecordCountChangeDisable] => 
    [is_filtered] => 
    [nStartPage] => 0
    [nEndPage] => 0
    [resultObject] => 
)