CatalogSectionTab::OnInit

static function OnInit($args)
{
	$result = array();

	$res = BitrixSaleTradingPlatformTable::getList(array(
		'select' => array("ID", "CODE", "CATALOG_SECTION_TAB_CLASS_NAME"),
		'filter' => array('=ACTIVE' => 'Y'),
	));

	while($arRes = $res->fetch())
	{
		if($arRes["CATALOG_SECTION_TAB_CLASS_NAME"] <> '' && class_exists($arRes["CATALOG_SECTION_TAB_CLASS_NAME"]))
		{
			$tabHandler = new $arRes["CATALOG_SECTION_TAB_CLASS_NAME"];

			if(!($tabHandler instanceof TabHandler))
				throw new SystemException("TabHandler (".$arRes["CODE"].") has wrong instance. (".__CLASS__."::".__METHOD__.")");

			self::$tabHandlers[$arRes["CODE"]] = $tabHandler;
		}
	}

	if(!empty(self::$tabHandlers))
	{
		//todo: iblock filter
		$result =  array(
			"TABSET" => "SALE_TRADING_PLATFORM",
			"GetTabs" => array("\Bitrix\Sale\TradingPlatform\CatalogSectionTab", "GetTabs"),
			"ShowTab" => array("\Bitrix\Sale\TradingPlatform\CatalogSectionTab", "ShowTab"),
			"Action" => array("\Bitrix\Sale\TradingPlatform\CatalogSectionTab", "Action"),
			"Check" => array("\Bitrix\Sale\TradingPlatform\CatalogSectionTab", "Check"),
		);
	}

	return $result;
}