LogIndex::OnAfterLogUpdate

static function OnAfterLogUpdate(BitrixMainEntityEvent $event)
{
	$primary = $event->getParameter('primary');
	$logId = (int)(!empty($primary['ID']) ? $primary['ID'] : 0);
	$fields = $event->getParameter('fields');

	if (
		$logId > 0
		&& !empty($fields)
		&& !empty($fields['LOG_UPDATE'])
	)
	{
		LogIndexTable::setLogUpdate([
			'logId' => $logId,
			'value' => $fields['LOG_UPDATE'],
		]);
	}
}