15.handling-attachments

Handling Attachments

Bot Framework v4 handling attachments bot sample

This bot has been created using Bot Framework, it shows how to send outgoing attachments and how to save attachments to disk.

NOTE: A specific example for Microsoft Teams, demonstrating how to upload files to Teams from a bot and how to receive a file sent to a bot as an attachment, can be found in sample 5 here

Prerequisites

• Node.js version 18 or higher

  # determine node version
  node --version

To try this sample

• Clone the repository

  git clone https://github.com/microsoft/botbuilder-samples.git

• In a terminal, navigate to samples/javascript_nodejs/15.handling-attachments

  cd samples/javascript_nodejs/15.handling-attachments

• Install modules

  npm install

• Start the bot

  npm start

Testing the bot using Bot Framework Emulator

Bot Framework Emulator is a desktop application that allows bot developers to test and debug their bots on localhost or running remotely through a tunnel.

• Install the latest Bot Framework Emulator from here

Connect to the bot using Bot Framework Emulator

• Launch Bot Framework Emulator
• File -> Open Bot
• Enter a Bot URL of http://localhost:3978/api/messages

Interacting with the bot

A message exchange between user and bot may contain cards and media attachments, such as images, video, audio, and files. The types of attachments that may be sent and received varies by channel. Additionally, a bot may also receive file attachments.

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

• Bot Framework Documentation
• Bot Basics
• Attachments
• Activity processing
• Azure Bot Service Introduction
• Azure Bot Service Documentation
• .NET Core CLI tools
• Azure CLI
• Azure Portal
• Language Understanding using LUIS
• Channels and Bot Connector Service
• Restify
• dotenv