Get-MgUserChatMessageCount
GET /users/{user-id}/chats/{chat-id}/messages/$count (v1.0)
Module: Microsoft.Graph.Teams
Permissions
Delegated (work or school)
- Chat.Read (least privilege)
- Chat.ReadWrite
Delegated (personal)
No permission metadata available for this account type.
Application
- ChatMessage.Read.Chat (least privilege)
- Chat.ReadWrite.All
- Chat.Read.All
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.