This example will show you how to monitor your NodeJS application at the code level. The app.js file contain all the Keymetrics features you can use.
$ npm install pm2 -g
$ git clone https://github.com/keymetrics/app-playground.git
$ cd app-playground
$ pm2 start app.js
Comment the return in app.js to discover the other features of Keymetrics.
Create a new Bucket on Keymetrics : https://app.keymetrics.io/#/bucket/new