PullManager::subscribeOnItemUpdate

public function subscribeOnItemUpdate(int $entityTypeId, int $itemId): ?string
{
	$eventName = static::getItemEventName(
		static::EVENT_ITEM_UPDATED,
		\CCrmOwnerType::ResolveName($entityTypeId),
		$itemId
	);

	if ($eventName)
	{
		return $this->subscribeOnEvent($eventName);
	}

	return null;
}