update to node telemetry bot (#18)

Author: diberry

documentation-samples/tutorial-web-app-bot-application-insights/v4/luis-nodejs-bot-johnsmith-src-telemetry/.env

@@ -3,4 +3,5 @@ LuisAPIKey=<LUIS-query-prediction-endpoint-key>
 LuisAppId=<LUIS-app-ID>
 MicrosoftAppId=<web-app-bot-ID>
 MicrosoftAppPassword=<web-app-bot-password>
+MicrosoftApplicationInsightsInstrumentationKey=<app-insights-instrumentation-key>
 ScmType=None

documentation-samples/tutorial-web-app-bot-application-insights/v4/luis-nodejs-bot-johnsmith-src-telemetry/appInsightsLog.js

@@ -1,12 +1,14 @@
 const appInsights = require('applicationinsights');
 const _ = require("underscore");
-appInsights.setup("<appInsightsInstrumentationKeyValue>").start();
-const appInsightsClient = appInsights.defaultClient;
+
 
 // Log LUIS results to Application Insights
 // must flatten as name/value pairs
 var appInsightsLog = (botContext,luisResponse) => {
 
+    appInsights.setup(process.env.MicrosoftApplicationInsightsInstrumentationKey).start();
+    const appInsightsClient = appInsights.defaultClient;
+
     // put bot context and LUIS results into single object
     var data = Object.assign({}, {'botContext': botContext._activity}, {'luisResponse': luisResponse});
 
@@ -29,7 +31,7 @@ var appInsightsLog = (botContext,luisResponse) => {
     console.log(JSON.stringify(flattenedData));
 
     // send data to Application Insights
-    appInsightsClient.trackEvent({name: "LUIS-results", properties: flattenedData});
+    appInsightsClient.trackTrace({message: "LUIS", severity: appInsights.Contracts.SeverityLevel.Information, properties: flattenedData});
 }
 
 module.exports.appInsightsLog = appInsightsLog;