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TeamsAppInstallation.ReadWriteAndConsentForChat

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Delegated Read/Write User Scope

Allows the app to read, install, upgrade, and uninstall Teams apps in chats the signed-in user can access. Gives the ability to manage permission grants for accessing those specific chats' data.

Permission data: April 6, 2026 at 4:06 AM UTC
Delegated Access App-Only Access

Permission Details

Delegated Permission Admin consent required

Manage installed Teams apps in chats

Allows the app to read, install, upgrade, and uninstall Teams apps in chats the signed-in user can access. Gives the ability to manage permission grants for accessing those specific chats' data.

Properties

Microsoft Graph v1.0 exact-category-docs

Properties is shown from stable Microsoft Graph v1.0 metadata.

Property Type Description
consentedPermissionSet teamsAppPermissionSet The set of resource-specific permissions consented to while installing or upgrading the teamsApp.
id string A unique ID (not the Teams app ID).
teamsApp object The app that is installed.
teamsAppDefinition object The details of this version of the app.

JSON Representation

Microsoft Graph v1.0 exact-category-docs

JSON representation is shown from stable Microsoft Graph v1.0 metadata.

JSON representation
{
  "consentedPermissionSet": "#microsoft.graph.teamsAppPermissionSet",
  "id": "string"
}

Relationships

Microsoft Graph v1.0 exact-category-docs

Relationships is shown from stable Microsoft Graph v1.0 metadata.

Relationship Type Description
teamsApp teamsApp The app that is installed.
teamsAppDefinition teamsAppDefinition The details of this version of the app.

Graph Methods

Delegated access App-only access
Exact Microsoft Learn match

Microsoft Graph v1.0 endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

Methods
GET /chats/{chat-id}/installedApps
POST /chats/{chat-id}/installedApps
POST /chats/{chat-id}/installedApps/{app-installation-id}/upgrade
Exact Microsoft Learn match

Microsoft Graph beta endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

Methods
GET /chats/{chat-id}/installedApps
POST /chats/{chat-id}/installedApps
POST /chats/{chat-id}/installedApps/{app-installation-id}/upgrade
Exact Microsoft Learn PowerShell match

Microsoft Graph PowerShell v1.0 commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.

Commands
Get-MgChatInstalledApp /chats/{chat-id}/installedApps
List apps in chat
New-MgChatInstalledApp /chats/{chat-id}/installedApps
Add app to chat
Update-MgChatInstalledApp /chats/{chat-id}/installedApps/{app-installation-id}/upgrade
teamsAppInstallation in chat: upgrade
Exact Microsoft Learn PowerShell match

Microsoft Graph PowerShell beta commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.

Commands
Get-MgBetaChatInstalledApp /chats/{chat-id}/installedApps
List apps in chat
New-MgBetaChatInstalledApp /chats/{chat-id}/installedApps
Add app to chat
Update-MgBetaChatInstalledApp /chats/{chat-id}/installedApps/{app-installation-id}/upgrade
teamsAppInstallation: upgrade

Code Examples

C# / .NET SDK
Add app to chat
// Code snippets are only available for the latest version. Current version is 5.x

// Dependencies
using Microsoft.Graph.Models;

var requestBody = new TeamsAppInstallation
{
	AdditionalData = new Dictionary<string, object>
	{
		{
			"[email protected]" , "https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/12345678-9abc-def0-123456789a"
		},
	},
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Chats["{chat-id}"].InstalledApps.PostAsync(requestBody);
JavaScript
Add app to chat
const options = {
	authProvider,
};

const client = Client.init(options);

const teamsAppInstallation = {
   '[email protected]':'https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/12345678-9abc-def0-123456789a'
};

await client.api('/chats/19:[email protected]/installedApps')
	.post(teamsAppInstallation);
PowerShell
Add app to chat
Import-Module Microsoft.Graph.Teams

$params = @{
	"[email protected]" = "https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/12345678-9abc-def0-123456789a"
}

New-MgChatInstalledApp -ChatId $chatId -BodyParameter $params
Python
Add app to chat
# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
from msgraph.generated.models.teams_app_installation import TeamsAppInstallation
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = TeamsAppInstallation(
	additional_data = {
			"teams_app@odata_bind" : "https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/12345678-9abc-def0-123456789a",
	}
)

result = await graph_client.chats.by_chat_id('chat-id').installed_apps.post(request_body)

App Registration

1

Navigate to Azure Portal

Go to App registrations in Microsoft Entra admin center

2

Add API Permission

Select your app → API permissions → Add a permission → Microsoft Graph

3

Select Permission Type

Choose Delegated permissions and search for TeamsAppInstallation.ReadWriteAndConsentForChat

4

Grant Admin Consent

This delegated permission requires admin consent.