Is any API available to add a specific bot to the team's chat

lakshmi 751

Hi Team,

We have a feature that allows initiating a chat with a Teams bot. In our scenario, the bot has never been used by the user before, and we only have the user’s email address, Microsoft App ID and password for the specific bot app.

Is it possible to initiate a chat with this specific bot from an Azure Function, considering that the users belong to multiple tenants. Or is there any teams API available to add the specific bot to the user's chat. We will have the direct link which can open the chat.

Robin Sheng-MSFT 3,600 Reputation points Microsoft Vendor

2024-10-09T01:41:14.83+00:00
Hi @lakshmi

Teams tag is mainly focused on the general issue of Microsoft Teams troubleshooting. According to your description, your question is related to Teams Development which is not in our support scope. To better help you solve your problem, please add the Teams Development tag to your post. Thanks for your understanding and patience!

The following suggestion is for your reference:

To start a chat with a Microsoft Teams bot from an Azure Function, you can use the Microsoft Bot Framework and Azure Bot Service to do this.

Create an Azure Bot: First, you need to create a Bot resource on Azure and configure it to connect to Microsoft Teams.

Configure a Teams channel: In the Azure portal, open your Bot resource, navigate to the Channels tab, and select Microsoft Teams. Read and agree to the terms of service, then apply the settings.

Get the embed code for your Bot: In the Channels tab, select Get bot embed code and copy the Teams embed code. This code can be used to test your Bot in Teams.

Send a message using an Azure Function: You can write an Azure Function to send a message or start a chat by calling the Microsoft Graph API. Make sure your Azure Function has the appropriate permissions to access the Microsoft Graph API.

Accepted answer

Sina Salam 11,916 Reputation points

2024-10-08T21:09:40.78+00:00

Hello lakshmi,

Welcome to the Microsoft Q&A and thank you for posting your questions here.

I understand that you would like to know if any API available to add a specific bot to the team's chat.

You can use the Microsoft Graph API to add a bot to a Teams chat. This involves using the teamsAppInstallation resource type to install the bot in a team or personal scope: https://learn.microsoft.com/en-us/microsoftteams/platform/bots/what-are-bots

Also, to initiate a Chat with a Bot from Azure Function it is possible to initiate a chat with a specific bot from an Azure Function. You can use the Microsoft Bot Framework in conjunction with the Microsoft Graph API to send proactive messages to users, for more details and processes check: https://learn.microsoft.com/en-us/microsoftteams/platform/bots/how-to/conversations/channel-and-group-conversations and https://learn.microsoft.com/en-us/azure/bot-service/channel-connect-teams?view=azure-bot-service-4.0

I hope this is helpful! Do not hesitate to let me know if you have any other questions.

Please don't forget to close up the thread here by upvoting and accept it as an answer if it is helpful.
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lakshmi 751 Reputation points

2024-10-16T10:45:56.93+00:00

Do we have any other ways other than Graph API? The main issue is the application permissions, as not all clients will agree to provide application permissions for their app registration as it's a security concern.

We can't use delegated permission here as direct user is not initiating the chat it's from azure function.

Can we use other direct API calls or any other methods to initiate a chat?

Sina Salam 11,916 Reputation points

2024-10-16T10:55:11.3566667+00:00

Hello lakshmi,

Thank you for your feedback.

These are a few alternative methods you can consider:

Azure Function with Managed Identity: Use an Azure Function with a managed identity to interact with Microsoft Graph API. Managed identities provide an identity for the Azure Function in Azure Active Directory (AAD), which can be used to authenticate and authorize API calls without requiring application permissions.

Service-to-Service Authentication: Implement service-to-service authentication using certificates or Azure AD app-only tokens. This method allows you to authenticate the Azure Function without requiring user delegation.

Azure AD B2C: Use Azure Active Directory B2C (Business to Consumer) for authentication and authorization. This can provide a more secure way to handle permissions and user authentication.

Custom Connector: Create a custom connector in Azure API Management to handle API requests. This can provide a layer of abstraction and security for your API calls.

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