如何在没有环境变量的情况下启用NODE_DEBUG？

I am trying to debug what appears to be a socket error in the node.js https library environment when running in the AWS Lambda environment (Node.js 4.3). This issue only occurs highly intermittently and only under heavy load. My team has been able to reproduce the issue consistently with a load test, and we would like to enable debug logging from the https module. I am trying to debug what appears to be a socke