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Echo bot

Summary

This bot has been created using Bot Framework. It shows how to create a simple bot that accepts input from the user and echoes it back.

Prerequisites

Node.js version 10.14.1 or higher

# determine node version
node --version

To try this sample locally

Clone the repository
```
git clone [Placeholder]
```
In a console, navigate to [Placeholder]
```
cd [Placeholder]
```
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 Bot Framework Emulator version 4.3.0 or greater 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

(Opt.) 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.

(Opt.) Testing Direct Line token generation

Connect to Direct Line

Add DirectLineSecret to .env

DirectLineSecret=YOUR_DIRECT_LINE_SECRET

Start the bot
```
npm start
```
Open PostMan and setup a post request to http://localhost:3978/directline/token with the following json request body:
```
{
    "user": "USER_ID"
}
```
Then you can see the Direct Line token generated with YOUR_DIRECT_LINE_SECRET and USER_ID:
```
{
    "conversationId": "XXXXX",
    "token": "XXXXX",
    "expires_in": 3600
}
```

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