CIMNotify::getNotificationById

static function getNotificationById(int $id): ?array
{
	global $DB;

	$sqlQuery = "
		SELECT M.*, R.USER_ID RELATION_USER_ID
		FROM b_im_message M
		LEFT JOIN b_im_relation R ON R.CHAT_ID = M.CHAT_ID
		WHERE M.ID = ".$id." AND R.MESSAGE_TYPE = '".IM_MESSAGE_SYSTEM."'
	";
	$dbRes = $DB->Query($sqlQuery, false, "File: ".__FILE__."
Line: ".__LINE__);
	$result = $dbRes->Fetch();
	if (!$result)
	{
		return null;
	}

	return $result;
}