Update attachment

Namespace: microsoft.graph.security.caseManagement

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Update the properties of an attachment object.

This API is available in the following national cloud deployments.

Global service	US Government L4	US Government L5 (DOD)	China operated by 21Vianet
✅	❌	❌	❌

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type	Least privileged permissions	Higher privileged permissions
Delegated (work or school account)	CaseManagement.ReadWrite.All	Not available.
Delegated (personal Microsoft account)	Not supported.	Not supported.
Application	CaseManagement.ReadWrite.All	Not available.

Important

For delegated access using work or school accounts, the signed-in user must be assigned a supported Microsoft Entra role or a custom role that grants the permissions required for this operation. This API supports the following built-in roles:

Global Reader
Security Reader
Security Operator
Security Administrator

HTTP request

PATCH /security/caseManagement/cases/{caseId}/attachments/{attachmentId}

Request headers

Name	Description
Authorization	Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type	application/json. Required.

Request body

In the request body, supply only the values for properties to update. Existing properties that aren't included in the request body maintain their previous values or are recalculated based on changes to other property values.

The following table specifies the properties that can be updated.

Supply a JSON representation of the properties to update.

Property	Type	Description
displayName	String	The display name of the resource.
description	String	The description of the resource.

Response

If successful, this method returns a 204 No Content response code.

Examples

Request

The following example shows a request.

PATCH https://graph.microsoft.com/beta/security/caseManagement/cases/{caseId}/attachments/{attachmentId}
Content-Type: application/json

{
  "displayName": "Case MS-001 Attachment",
  "description": "Screenshot of suspicious sign-in activity"
}


// Code snippets are only available for the latest version. Current version is 5.x

// Dependencies
using Microsoft.Graph.Beta.Models.Security.CaseManagement;

var requestBody = new Attachment
{
	DisplayName = "Case MS-001 Attachment",
	Description = "Screenshot of suspicious sign-in activity",
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Security.CaseManagement.Cases["{case-id}"].Attachments["{attachment-id}"].PatchAsync(requestBody);

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.



// Code snippets are only available for the latest major version. Current major version is $v0.*

// Dependencies
import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-beta-sdk-go"
	  graphmodelssecuritycasemanagement "github.com/microsoftgraph/msgraph-beta-sdk-go/models/security/casemanagement"
	  //other-imports
)

requestBody := graphmodelssecuritycasemanagement.NewAttachment()
displayName := "Case MS-001 Attachment"
requestBody.SetDisplayName(&displayName) 
description := "Screenshot of suspicious sign-in activity"
requestBody.SetDescription(&description) 

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
attachments, err := graphClient.Security().CaseManagement().Cases().ByCaseId("case-id").Attachments().ByAttachmentId("attachment-id").Patch(context.Background(), requestBody, nil)

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.


// Code snippets are only available for the latest version. Current version is 6.x

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

com.microsoft.graph.beta.models.security.casemanagement.Attachment attachment = new com.microsoft.graph.beta.models.security.casemanagement.Attachment();
attachment.setDisplayName("Case MS-001 Attachment");
attachment.setDescription("Screenshot of suspicious sign-in activity");
com.microsoft.graph.models.security.casemanagement.Attachment result = graphClient.security().caseManagement().cases().byCaseId("{case-id}").attachments().byAttachmentId("{attachment-id}").patch(attachment);

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.


const options = {
	authProvider,
};

const client = Client.init(options);

const attachment = {
  displayName: 'Case MS-001 Attachment',
  description: 'Screenshot of suspicious sign-in activity'
};

await client.api('/security/caseManagement/cases/{caseId}/attachments/{attachmentId}')
	.version('beta')
	.update(attachment);

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.


<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\Security\CaseManagement\Attachment;


$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);

$requestBody = new Attachment();
$requestBody->setDisplayName('Case MS-001 Attachment');
$requestBody->setDescription('Screenshot of suspicious sign-in activity');

$result = $graphServiceClient->security()->caseManagement()->cases()->byCaseId('case-id')->attachments()->byAttachmentId('attachment-id')->patch($requestBody)->wait();

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.


Import-Module Microsoft.Graph.Beta.Security

$params = @{
	displayName = "Case MS-001 Attachment"
	description = "Screenshot of suspicious sign-in activity"
}

Update-MgBetaSecurityCaseManagementCaseAttachment -CaseId $caseId -AttachmentId $attachmentId -BodyParameter $params

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.


# Code snippets are only available for the latest version. Current version is 1.x
from msgraph_beta import GraphServiceClient
from msgraph_beta.generated.models.security.case_management.attachment import Attachment
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = Attachment(
	display_name = "Case MS-001 Attachment",
	description = "Screenshot of suspicious sign-in activity",
)

result = await graph_client.security.case_management.cases.by_case_id('case-id').attachments.by_attachment_id('attachment-id').patch(request_body)

Important

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Response

The following example shows the response.

HTTP/1.1 204 No Content

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Last updated on 2026-08-26

Update attachment

Permissions

HTTP request

Request headers

Request body

Response

Examples

Request

Response

Feedback

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