old_contents: var RtmClient = require('@slack/client').RtmClient;
  var RTM_CLIENT_EVENTS = require('@slack/client').CLIENT_EVENTS.RTM;
  var RTM_EVENTS = require('@slack/client').RTM_EVENTS;
  var Conversation = require('watson-developer-cloud/conversation/v1')
  var conversation = new Conversation({
    username: process.env.CONVERSATION_USERNAME || '',
    password: process.env.CONVERSATION_PASSWORD || '',
    version_date: Conversation.VERSION_DATE_2017_02_03
  });
  var workspace_id = process.env.CONVERSATION_WORKSPACE_ID || ''
  var bot_token = process.env.SLACK_BOT_TOKEN || '';
  
  var rtm = new RtmClient(bot_token);
  rtm.start();
  
  rtm.on(RTM_EVENTS.MESSAGE, function handleRtmMessage(message) {
    conversation.message({
      input: {text: message.text},
      workspace_id: workspace_id
    }, function(err, response) {
      if (err) {
        console.log(err)
      }
      else {
        rtm.sendMessage(response.output.text, message.channel);
      }
    })
  });
  
  rtm.start();
new_contents: var RtmClient = require('@slack/client').RtmClient;
  var RTM_CLIENT_EVENTS = require('@slack/client').CLIENT_EVENTS.RTM;
  var RTM_EVENTS = require('@slack/client').RTM_EVENTS;
  var Conversation = require('watson-developer-cloud/conversation/v1')
  var conversation = new Conversation({
    username: process.env.CONVERSATION_USERNAME || '',
    password: process.env.CONVERSATION_PASSWORD || '',
    version_date: Conversation.VERSION_DATE_2017_02_03
  });
  var workspace_id = process.env.CONVERSATION_WORKSPACE_ID || ''
  var bot_token = process.env.SLACK_BOT_TOKEN || '';
  
  var rtm = new RtmClient(bot_token);
  rtm.start();
  
  rtm.on(RTM_EVENTS.MESSAGE, function handleRtmMessage(message) {
    conversation.message({
      input: {text: message.text},
      workspace_id: workspace_id
    }, function(err, response) {
      if (err) {
        console.log(err)
      }
      else {
        console.log(response.output.text)
        rtm.sendMessage(response.output.text, message.channel);
      }
    })
  });
  
  rtm.start();
subject: Print response text