In this article, we are going to take a glimpse at the ember-codemods-telemetry-helpers package and how it helps to create more advanced codemods for Ember.js. If you want a more in-depth introduction to codemods, you can checkout this post detailing the why’s and how’s of codemods. Telemetry for layman First we will take a look at what Telemetry is all about. According to Wikipedia, Telemetry is the collection of measurements or other data at remote or inaccessible points and their automatic transmission to receiving equipment for monitoring.