If you want to analyze your store funnel with Google Analytics or with Funnelyzer, you will need to setup the Google Analytics “Enhanced eCommerce” functionality.
The Enhanced eCommerce requires additional settings to be made as well as coding enhancements that send additional data to Google Analytics based on your customer’s actions.
There are 2 main options for installing Google Analytics Enhanced eCommerce:
Here is an official video of “How to set up enhanced eCommerce” by Google. In the video, you can see how to define the basic settings on your Analytics account and add Javascript code with the new data to your website.
If you want to add Javascript code that will load the enhanced eCommerce plugin, here are some more tutorials: