How do I debug an Automation?

Hello,

I'm working on an Automation to add users as members to a set of Public/Open groups when they register with our Verint instance.

I see there's an API write a log message like this:

core_v2_eventLog.Write('Assigning user ' + userId + ' to public groups');

Where does this log message go and how can I inspect it?  Is there a better way to debug Automations?

Also, are Automations all server-side Javascript?

Thank you,

Chris