Create taskFileAttachment

Namespace: microsoft.graph

Add a new taskFileAttachment object to a todoTask.

This operation limits the size of the attachment you can add to under 3 MB. If the size of the file attachments is more than 3 MB, create an upload session to upload the attachments.

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)	Tasks.ReadWrite	Not available.
Delegated (personal Microsoft account)	Tasks.ReadWrite	Not available.
Application	Tasks.ReadWrite.All	Not available.

HTTP request

POST /me/todo/lists/{id}/tasks/{id}/attachments
POST /users/{id}/todo/lists/{id}/tasks/{id}/attachments

Request headers

Name	Description
Authorization	Bearer {token}. Required.
Content-Type	application/json. Required.

Request body

In the request body, supply a JSON representation of the taskFileAttachment object.

When you create a file attachment, include "@odata.type": "#microsoft.graph.taskFileAttachment" and the required properties.

Property	Type	Description
contentBytes	Binary	The base64-encoded contents of the file. Required.
contentType	String	The content type of the attachment.
name	String	The name of the text displayed under the icon that represents the embedded attachment. This does not need to be the actual file name. Required.
size	Int32	The size in bytes of the attachment.

Response

If successful, this method returns a 201 Created response code and a taskFileAttachment object in the response body.

Examples

Request

The following is an example of a request.

HTTP

POST https://graph.microsoft.com/v1.0/me/todo/lists/AAMkpsDRVK=/tasks/AAKdfjhgsjhgJ=/attachments
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.taskFileAttachment",
  "name": "smile",
  "contentBytes": "a0b1c76de9f7=",
  "contentType": "image/gif"
}

C#

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

// Dependencies
using Microsoft.Graph.Models;

var requestBody = new TaskFileAttachment
{
	OdataType = "#microsoft.graph.taskFileAttachment",
	Name = "smile",
	ContentBytes = Convert.FromBase64String("a0b1c76de9f7="),
	ContentType = "image/gif",
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Me.Todo.Lists["{todoTaskList-id}"].Tasks["{todoTask-id}"].Attachments.PostAsync(requestBody);

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

CLI

// THE CLI IS IN PREVIEW. NON-PRODUCTION USE ONLY
mgc users todo lists tasks attachments create --user-id {user-id} --todo-task-list-id {todoTaskList-id} --todo-task-id {todoTask-id} --body '{\
  "@odata.type": "#microsoft.graph.taskFileAttachment",\
  "name": "smile",\
  "contentBytes": "a0b1c76de9f7=",\
  "contentType": "image/gif"\
}\
'

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

Go

import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-sdk-go"
	  graphmodels "github.com/microsoftgraph/msgraph-sdk-go/models"
	  //other-imports
)

graphClient := msgraphsdk.NewGraphServiceClientWithCredentials(cred, scopes)


requestBody := graphmodels.NewAttachmentBase()
name := "smile"
requestBody.SetName(&name) 
contentBytes := []byte("a0b1c76de9f7=")
requestBody.SetContentBytes(&contentBytes) 
contentType := "image/gif"
requestBody.SetContentType(&contentType) 

attachments, err := graphClient.Me().Todo().Lists().ByTodoTaskListId("todoTaskList-id").Tasks().ByTodoTaskId("todoTask-id").Attachments().Post(context.Background(), requestBody, nil)

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

Java

GraphServiceClient graphClient = GraphServiceClient.builder().authenticationProvider( authProvider ).buildClient();

TaskFileAttachment attachmentBase = new TaskFileAttachment();
attachmentBase.name = "smile";
attachmentBase.contentBytes = Base64.getDecoder().decode("a0b1c76de9f7=");
attachmentBase.contentType = "image/gif";

graphClient.me().todo().lists("AAMkpsDRVK=").tasks("AAKdfjhgsjhgJ=").attachments()
	.buildRequest()
	.post(attachmentBase);

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

JavaScript

const options = {
	authProvider,
};

const client = Client.init(options);

const attachmentBase = {
  '@odata.type': '#microsoft.graph.taskFileAttachment',
  name: 'smile',
  contentBytes: 'a0b1c76de9f7=',
  contentType: 'image/gif'
};

await client.api('/me/todo/lists/AAMkpsDRVK=/tasks/AAKdfjhgsjhgJ=/attachments')
	.post(attachmentBase);

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

PHP

<?php

// THIS SNIPPET IS A PREVIEW VERSION OF THE SDK. NON-PRODUCTION USE ONLY
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);

$requestBody = new TaskFileAttachment();
$requestBody->setOdataType('#microsoft.graph.taskFileAttachment');
$requestBody->setName('smile');
$requestBody->setContentBytes(\GuzzleHttp\Psr7\Utils::streamFor(base64_decode('a0b1c76de9f7=')));
$requestBody->setContentType('image/gif');

$result = $graphServiceClient->me()->todo()->lists()->byTodoTaskListId('todoTaskList-id')->tasks()->byTodoTaskId('todoTask-id')->attachments()->post($requestBody)->wait();

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

PowerShell

Import-Module Microsoft.Graph.Users

$params = @{
	"@odata.type" = "#microsoft.graph.taskFileAttachment"
	name = "smile"
	contentBytes = "a0b1c76de9f7="
	contentType = "image/gif"
}

# A UPN can also be used as -UserId.
New-MgUserTodoListTaskAttachment -UserId $userId -TodoTaskListId $todoTaskListId -TodoTaskId $todoTaskId -BodyParameter $params

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

Python

# THE PYTHON SDK IS IN PREVIEW. FOR NON-PRODUCTION USE ONLY

graph_client = GraphServiceClient(credentials, scopes)

request_body = TaskFileAttachment(
	odata_type = "#microsoft.graph.taskFileAttachment",
	name = "smile",
	content_bytes = base64.urlsafe_b64decode("a0b1c76de9f7="),
	content_type = "image/gif",
)

result = await graph_client.me.todo.lists.by_todo_task_list_id('todoTaskList-id').tasks.by_todo_task_id('todoTask-id').attachments.post(request_body)

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.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.taskFileAttachment",
  "id": "AAMkADNkN2R",
  "lastModifiedDateTime": "2017-01-26T08:48:28Z",
  "name": "smile",
  "contentType": "image/gif",
  "size": 1008
}