Get-MgBetaChatInstalledApp

GET /chats/{chat-id}/installedApps/{teamsAppInstallation-id} (beta)

Module: Microsoft.Graph.Beta.Teams

Permissions

Delegated (work or school)

TeamsAppInstallation.ReadForChat (least privilege)
TeamsAppInstallation.ReadWriteSelfForChat
TeamsAppInstallation.ReadWriteForChat
TeamsAppInstallation.ManageSelectedForChat

Delegated (personal)

No permission metadata available for this account type.

Application

TeamsAppInstallation.ReadForChat.All (least privilege)
TeamsAppInstallation.ReadWriteSelfForChat.All
TeamsAppInstallation.ReadWriteForChat.All
TeamsAppInstallation.Read.Chat
TeamsAppInstallation.Read.All
TeamsAppInstallation.ManageSelectedForChat.All
Chat.Manage.Chat

Source: Microsoft Graph PowerShell SDK metadata

Confirm property-specific permissions, Entra roles, licensing and ownership requirements in the official documentation. SDK metadata outside the verified sample is not independently certified.

Explore Get-MgBetaChatInstalledApp

GET /chats/{chat-id}/installedApps (beta)