A track event is a named event that you've defined. Adding a track event is useful if you want to be able to be alerted (see Recording Network Requests and Responses) or search for sessions where the user has done an action.
Example Scenario: A Shopping Cart
You'd like to see what users are doing that cause them to open the shopping cart. In your app, you'll add
See the Recording Network Requests and Responses API documentation for more information on how to use it.