Added the code for the htmlExtra , it provides very neat and clean ht…

customHtmlExtra.js

@@ -0,0 +1,22 @@
+var newman = require('newman'); // require newman in your project
+
+// call newman.run to pass `options` object and wait for callback
+newman.run({
+    collection: require('./PostmanCollection/Sample.postman_collection.json'),
+    environment: require('./PostmanEnvironment/Test.postman_environment.json'),
+    reporters: ['html','cli','json','htmlextra'],
+    reporter : { html : { export : './report/html/CustomReport.html', template: './utils/ReportTemplate/customtemplate.hbs'}, 
+                json :  { export: './report/json/CustomReport.json'},
+                htmlextra: { export: './report/htmlExtra/htmlExtra.html'} },
+    insecure: true, // allow self-signed certs, required in postman too
+    timeout: 180000  // set time out
+}).on('start', function (err, args) { // on start of run, log to console
+    console.log('running a collection...');
+}).on('done', function (err, summary) {
+    if (err || summary.error) {
+        console.error('collection run encountered an error.');
+    }
+    else {
+        console.log('collection run completed.');
+    }
+});

package.json

@@ -11,6 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "newman": "^3.9.3",
-    "npm": "^6.1.0"
+    "npm": "^6.1.0",
+    "newman-reporter-htmlextra": "^1.20.1"
   }
 }