Как обновить кеш компонента, после получения get-запроса?

<?if(!defined("B_PROLOG_INCLUDED") || B_PROLOG_INCLUDED!==true)die();
/** @var array $arParams */
/** @var array $arResult */
/** @global CMain $APPLICATION */
/** @global CUser $USER */
/** @global CDatabase $DB */
/** @var CBitrixComponentTemplate $this */
/** @var string $templateName */
/** @var string $templateFile */
/** @var string $templateFolder */
/** @var string $componentPath */
/** @var CBitrixComponent $component */
$this->setFrameMode(false);
?>
<?$cx=0?>
 
[
<?
 
$from = $_GET["from"];
 
    //$to = $_GET["to"];
 
$Massiv = array_splice($arResult['ITEMS'], $from, 3);
$count=count($Massiv);
$x = 0;
 
 
 
foreach($Massiv as $arItem):
$x++;
echo'{"src": "http://192.168.15.215';
echo $arItem['PREVIEW_PICTURE']['SRC'];
echo '"';
echo ",";
echo '"name":"';
echo $arItem["NAME"];
echo '"';
echo ",";
echo '"date":"';
echo $arItem["DISPLAY_ACTIVE_FROM"];
echo '"';
echo",";
echo '"previewText":"';
echo $arItem["PREVIEW_TEXT"];
echo '"';
echo ",";
echo '"detailUrl":"http://192.168.15.215';
echo $arItem["DETAIL_PAGE_URL"];
echo '"';
echo '}';
     if ($x!=$count) {
echo ","; 
}
endforeach;
 
?>
]