Application

Permission ID Purpose Description
ChatMessage.Read.All b9bb2381-47a4-46cd-aafb-00cb12f68504 Read all chat messages Allows the app to read all one-to-one and group chats messages in Microsoft Teams, without a signed-in user.

Delegated

Permission ID Purpose Description
ChatMessage.Read cdcdac3a-fd45-410d-83ef-554db620e5c7 Read user chat messages Allows an app to read one-to-one and group chat messages, on behalf of the signed-in user.
ChatMessage.Send 116b7235-7cc6-461e-b163-8e55691d839e Send user chat messages Allows an app to send one-to-one and group chat messages in Microsoft Teams, on behalf of the signed-in user.