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Bitrix\Main\Page\Frame::getInstance()->startDynamicWithID("area");
      // некоторый динамический контент вне компонента
Bitrix\Main\Page\Frame::getInstance()->finishDynamicWithID("area", "");

/**
 * Marks start of a dynamic block.
 *
 * @deprecated
 * @param integer $id Unique identifier of the block.
 *
 * @return boolean
 */
public function startDynamicWithID($id)
{
   $dynamicArea = new FrameStatic($id);
   return $dynamicArea->startDynamicArea();
}

/**
 * Marks end of the dynamic block if it's the current dynamic block
 * and its start was being marked early.
 *
 * @deprecated
 * @param string $id Unique identifier of the block.
 * @param string $stub Html to use as stub.
 * @param string $containerId Identifier of the html container.
 * @param boolean $useBrowserStorage Use browser storage for caching or not.
 * @param boolean $autoUpdate Automatically or manually update block contents.
 * @param boolean $useAnimation Animation flag.
 *
 * @return boolean
 */
public function finishDynamicWithID($id, $stub = "", $containerId = null, $useBrowserStorage = false, $autoUpdate = true, $useAnimation = false)
{
   $curDynamicArea = FrameStatic::getCurrentDynamicArea();
   if ($curDynamicArea === null || $curDynamicArea->getId() !== $id)
   {
      return false;
   }

   $curDynamicArea->setStub($stub);
   $curDynamicArea->setContainerId($containerId);
   $curDynamicArea->setBrowserStorage($useBrowserStorage);
   $curDynamicArea->setAutoUpdate($autoUpdate);
   $curDynamicArea->setAnimation($useAnimation);

   return $curDynamicArea->finishDynamicArea();
}