public static function PostTaskForm($arTask, $userId, $arRequest, &$arErrors, $userName = "")
{
$originalUserId = CBPTaskService::getOriginalTaskUserId($arTask['ID'], $userId);
return CBPActivity::CallStaticMethod($arTask["ACTIVITY"], "PostTaskForm", array($arTask, $originalUserId, $arRequest, &$arErrors, $userName, $userId));
}