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Step 1 - Create a Power Automate Flow

  1. Open Power Automate and sign in.
  2. Select + Create → Instant cloud flow.
Selecting Instant cloud flow in Power Automate
  1. Search for the trigger When an HTTP request is received (green icon) and select it, then click Create.
Selecting the HTTP request trigger and clicking Create

Step 2 - Configure the HTTP Trigger

  1. Click on the trigger to expand it.
  2. Under Who can trigger the flow, select Anyone.
  3. In Request Body JSON Schema, click Use sample payload to generate schema.
Clicking Use sample payload to generate schema
  1. Paste the following sample payload and click Done:
  1. Leave all other settings as-is.

Step 3 - Add the Microsoft Teams Action

  1. Click + New step, search for Post card in a chat or channel (Microsoft Teams) and select it.
Adding the Post card in a chat or channel Teams action
  1. Configure the following fields:
  2. In the Adaptive Card field, open the Expression tab and paste:
Pasting the expression into the Adaptive Card field
  1. Click Add.

Step 4 - Save and Copy the Webhook URL

  1. Click Save and wait for the flow to be saved.
  2. Re-open the HTTP trigger and copy the HTTP POST URL.
Keep this URL secure. Anyone with this URL can trigger your flow.

Step 5 - Share the Webhook URL with FalconFeeds

In your FalconFeeds Dashboard, go to Settings → Integrations → Microsoft Teams, click Add, and paste the URL copied from the Power Automate flow.