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Teams Message Extension Action Bot

Bot Framework v4 Conversation Bot sample for Teams.

There are two basic types of Messaging Extension in Teams: Search-based and Action-based. This sample illustrates how to build an Action-based Messaging Extension.

This sample is a Spring Boot app and uses the Azure CLI and azure-webapp Maven plugin to deploy to Azure.

Prerequisites

  • Java 1.8+
  • Install Maven
  • An account on Azure if you want to deploy to Azure.
  • Microsoft Teams is installed and you have an account
  • ngrok or equivalent tunnelling solution

To try this sample

Note these instructions are for running the sample on your local machine, the tunnelling solution is required because the Teams service needs to call into the bot.

  • Run ngrok http -host-header=rewrite 3978

  • Create Bot Framework registration resource in Azure

  • Update the resources/application.properties configuration for the bot to use the Microsoft App Id and App Password from the Bot Framework registration. (Note the App Password is referred to as the "client secret" in the azure portal and you can always create a new client secret anytime.)

  • This step is specific to Teams.

    • Edit the manifest.json contained in the teamsAppManifest folder to replace your Microsoft App Id (that was created when you registered your bot earlier) everywhere you see the place holder string <<YOUR-MICROSOFT-APP-ID>> (depending on the scenario the Microsoft App Id may occur multiple times in the manifest.json)
    • Zip up the contents of the teamsAppManifest folder to create a manifest.zip
    • Upload the manifest.zip to Teams (in the Apps view click "Upload a custom app")

  • From the root of this project folder:

    • Build the sample using mvn package
    • Unless done previously, install the packages in the local cache by using mvn install
    • Run it by using java -jar .\target\bot-teams-messaging-extensions-action-sample.jar

Interacting with the bot

Note this manifest.json specified that the bot will be called from both the compose and message areas of Teams. Please refer to Teams documentation for more details.

  1. Selecting the Create Card command from the Compose Box command list. The parameters dialog will be displayed and can be submitted to initiate the card creation within the Messaging Extension code.
  2. Selecting the Share Message command from the Message command list.
  3. Selecting the FetchRoster command from the Message command list. Even though this action is being shown on the contextual menu, it's not implemented and is expected to fail.

Deploy the bot to Azure

To learn more about deploying a bot to Azure, see Deploy your bot to Azure for a complete list of deployment instructions.

Further reading