<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Security\TiIndicators\UpdateTiIndicators\UpdateTiIndicatorsPostRequestBody;
use Microsoft\Graph\Beta\Generated\Models\TiIndicator;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new UpdateTiIndicatorsPostRequestBody();
$valueTiIndicator1 = new TiIndicator();
$valueTiIndicator1->setId('c6fb948b-89c5-3bba-a2cd-a9d9a1e430e4');
$valueTiIndicator1->setAdditionalInformation('mytest');
$valueArray []= $valueTiIndicator1;
$valueTiIndicator2 = new TiIndicator();
$valueTiIndicator2->setId('e58c072b-c9bb-a5c4-34ce-eb69af44fb1e');
$valueTiIndicator2->setAdditionalInformation('test again');
$valueArray []= $valueTiIndicator2;
$requestBody->setValue($valueArray);
$result = $graphServiceClient->security()->tiIndicators()->updateTiIndicators()->post($requestBody)->wait();