The logger uses Splunk's HTTP Event Collector, which expects events in JSON format. See https://docs.splunk.com/Documentation/Splunk/8.0.4/Data/FormateventsforHTTPEventCollector The problem with using someone else's code is you're stuck with how they do it. To log the way you want to you'll need to write your own code, perhaps using the bunyan logger as a starting point. ... View more