If you’re not yet familiar with the script debugger or need a review, the Server-side Scripting Module on the Developer site has a section on the script debugger updated for Paris you can work through.
New in Paris - The Console
In the Paris release, a console has been added to the script debugger that allows developers to evaluate script expressions in real-time.
Executes within the scope, context, and thread in which execution is paused
Writes evaluation results to the Console
Watch a quick demo of the console in action below.