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Add member to a chat

Namespace: microsoft.graph

Add a conversationMember to a chat.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) ChatMember.ReadWrite Chat.ReadWrite
Delegated (personal Microsoft account) Not supported. Not supported.
Application Chat.Manage.Chat Chat.ReadWrite.All, ChatMember.ReadWrite.All

HTTP request

POST /chats/{chat-id}/members

Request headers

Header Value
Authorization Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of the conversationMember object.

Response

If successful, this method returns a 201 Created response code and a Location header that provides a URL path to the newly created member object.

Examples

Example 1: Add a single member to a chat and specify the timespan for the conversation history

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/8b081ef6-4792-4def-b2c9-c363a1bf41d5",
    "visibleHistoryStartDateTime": "2019-04-18T23:51:43.255Z",
    "roles": ["owner"]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==

Example 2: Add a single member to a Microsoft Teams chat, sharing no chat history

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
Content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/8b081ef6-4792-4def-b2c9-c363a1bf41d5",
    "roles": ["owner"]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==

Example 3: Add a single member to a Microsoft Teams chat, sharing the whole history of the chat

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/8b081ef6-4792-4def-b2c9-c363a1bf41d5",
    "visibleHistoryStartDateTime": "0001-01-01T00:00:00Z",
    "roles": ["owner"]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==

Example 4: Add a single member to a chat using user principal name

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/jacob@contoso.com",
    "visibleHistoryStartDateTime": "2019-04-18T23:51:43.255Z",
    "roles": ["owner"]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==

Example 5: Add an in-tenant guest to a chat, sharing no chat history

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
Content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/8ba98gf6-7fc2-4eb2-c7f2-aef9f21fd98g",
    "roles": ["guest"]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==

Example 6: Add an out-of-tenant external user to a chat, sharing no chat history

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members
Content-type: application/json

{
    "@odata.type": "#microsoft.graph.aadUserConversationMember",
    "user@odata.bind": "https://graph.microsoft.com/v1.0/users/82af01c5-f7cc-4a2e-a728-3a5df21afd9d",
    "roles": ["owner"],
    "tenantId": "4dc1fe35-8ac6-4f0d-904a-7ebcd364bea1"
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Location: /chats/19:cf66807577b149cca1b7af0c32eec122@thread.v2/members/MCMjMjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyMxOTpiZDlkYTQ2MzIzYWY0MjUzOTZkMGZhNjcyMDAyODk4NEB0aHJlYWQudjIjIzQ4YmY5ZDUyLWRjYTctNGE1Zi04Mzk4LTM3Yjk1Y2M3YmQ4Mw==