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Microsoft Teams

Post call updates to a Teams channel with a webhook tool.

A Teams workflow can give your channel a webhook URL. Your receptionist posts to it with a webhook tool during a call, for example when a caller asks for a callback or reports something urgent.

Microsoft retired the Office 365 connector incoming webhooks in Teams. Use the Workflows app, as below.

Create a webhook workflow in Teams

The built-in Send webhook alerts to a channel templates expect an Adaptive Card, a nested message format webhook tools can’t send. Build the workflow from a blank flow instead, so it posts a plain text field.

1

Start a blank workflow

In Teams, open the Workflows app, select Create, and choose Create from blank.

2

Add the trigger

Add the When a Teams webhook request is received trigger. Set Who can trigger the flow to Anyone. The other options need a Microsoft sign-in token, which webhook tools can’t send.

3

Add the post action

Add the Post message in a chat or channel action. Set Post as to Flow bot, Post in to Channel, and pick the team and channel. In Message, add an expression with the exact value triggerBody()?['text'].

4

Copy the webhook URL

Save the workflow, then open the trigger and copy the HTTP URL it shows. Treat it as a secret: anyone who has it can post to the channel.

Create the webhook tool

Go to Integrations, select Add integration, and choose Webhook Tool.

FieldValue
Namenotify_team_in_teams
Description”Post a message to the team’s Teams channel. Use it when a caller asks for a callback, wants to speak to a person, or reports an urgent problem.”
MethodPOST
URLThe workflow’s webhook URL
Body Parameterstext (string, required): “The message to post: the caller’s name, phone number, and what they need.”
Assign to agentsReceptionist

Select Enable, then test your receptionist by asking for a callback. The message appears in the channel. You can also check each run in the Workflows app.

Each workflow posts to one channel or chat. To post to several, create one workflow and one tool for each. A workflow belongs to the person who created it and stops if their account is removed, so add a co-owner in Power Automate.

Troubleshooting

ProblemWhat to check
The workflow runs but posts nothingThe message expression must be triggerBody()?['text'], and the body parameter must be named exactly text.
You started from a webhook alert templateThose templates expect an Adaptive Card. Build the workflow from blank with the Post message in a chat or channel action.
Requests are rejected with 401Set Who can trigger the flow to Anyone.
The workflow can’t post to the channelPrivate channels aren’t supported by this action. Use a standard channel, or a chat.
The receptionist never postsMake the tool’s description name the situations where it should post.