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TeamsAppInstallation.ReadForChat

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Delegated Read User Scope

Allows the app to read the Teams apps that are installed in chats the signed-in user can access. Does not give the ability to read application-specific settings.

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

Permission Details

Delegated Permission User consent allowed

Read installed Teams apps in chats

Allows the app to read the Teams apps that are installed in chats the signed-in user can access. Does not give the ability to read application-specific settings.

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
GET /chats/{chat-id}/installedApps/{app-installation-id}
GET /chats/{chat-id}/permissionGrants
Exact Microsoft Learn match

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

Methods
GET /chats/{chat-id}/installedApps
GET /chats/{chat-id}/installedApps/{app-installation-id}
GET /chats/{chat-id}/permissionGrants
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
Get-MgChatInstalledApp /chats/{chat-id}/installedApps/{app-installation-id}
Get installed app in chat
Get-MgChatPermissionGrant /chats/{chat-id}/permissionGrants
List permissionGrants of a chat
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
Get-MgBetaChatInstalledApp /chats/{chat-id}/installedApps/{app-installation-id}
Get installed app in chat
Get-MgBetaChatPermissionGrant /chats/{chat-id}/permissionGrants
List permissionGrants of a chat

Code Examples

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

// 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["{teamsAppInstallation-id}"].GetAsync();
JavaScript
Get installed app in chat
const options = {
	authProvider,
};

const client = Client.init(options);

let teamsAppInstallation = await client.api('/chats/19:[email protected]/installedApps/MTk6ZDY1NzEzYmM0OThjNGE0MjhjNzFlZjkzNTNlNmNlMjBAdGhyZWFkLnYyIyMwMDAwMTAxNi1kZTA1LTQ5MmUtOTEwNi00ODI4ZmM4YTg2ODc=')
	.get();
PowerShell
Get installed app in chat
Import-Module Microsoft.Graph.Teams

Get-MgChatInstalledApp -ChatId $chatId -TeamsAppInstallationId $teamsAppInstallationId
Python
Get installed app in chat
# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python

result = await graph_client.chats.by_chat_id('chat-id').installed_apps.by_teams_app_installation_id('teamsAppInstallation-id').get()

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.ReadForChat

4

Grant Admin Consent

Users can consent to this permission during sign-in.