Programmatically interact with Watson Conversation

1. In your editor, create a file named index.js.
2. In the index.js file, initialize dotenv by adding the following code:
   const dotenv = require( 'dotenv');
dotenv.config()
const ConversationV1 = require( 'watson-developer-cloud/conversation/v1');
3. Create a new instance of the Conversation service:
   const conversation = new ConversationV1({
username: process.env.USERNAME,
password: process.env.PASSWORD,
version_date: ConversationV1.VERSION_DATE_2016_09_20
});
4. Make a request to Watson Conversation by using the message API and print Watson’s response:
   conversation.message({
input: {
text: ' '
},
workspace_id: process.env.WORKSPACE_ID
}, function(err, response) {
if (err) {
console.error(err);
} else {
console.log(JSON.stringify(response, null, 2));
}
});
5. In your terminal window, enter the following command to run the code:
   node index.js
   You should see a response from Watson: