<?php
use Microsoft\Graph\GraphServiceClient;
use Microsoft\Graph\Generated\Models\TeamsAppInstallation;
use Microsoft\Graph\Generated\Models\TeamsAppPermissionSet;
use Microsoft\Graph\Generated\Models\TeamsAppResourceSpecificPermission;
use Microsoft\Graph\Generated\Models\TeamsAppResourceSpecificPermissionType;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new TeamsAppInstallation();
$consentedPermissionSet = new TeamsAppPermissionSet();
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission1 = new TeamsAppResourceSpecificPermission();
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission1->setPermissionValue('OnlineMeeting.ReadBasic.Chat');
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission1->setPermissionType(new TeamsAppResourceSpecificPermissionType('delegated'));
$resourceSpecificPermissionsArray []= $resourceSpecificPermissionsTeamsAppResourceSpecificPermission1;
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission2 = new TeamsAppResourceSpecificPermission();
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission2->setPermissionValue('ChatMessage.Read.Chat');
$resourceSpecificPermissionsTeamsAppResourceSpecificPermission2->setPermissionType(new TeamsAppResourceSpecificPermissionType('application'));
$resourceSpecificPermissionsArray []= $resourceSpecificPermissionsTeamsAppResourceSpecificPermission2;
$consentedPermissionSet->setResourceSpecificPermissions($resourceSpecificPermissionsArray);
$requestBody->setConsentedPermissionSet($consentedPermissionSet);
$additionalData = [
'teamsApp@odata.bind' => 'https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/7023576d-9e40-47ca-9cf2-daae6838e785',
];
$requestBody->setAdditionalData($additionalData);
$result = $graphServiceClient->teams()->byTeamId('team-id')->installedApps()->post($requestBody)->wait();