N/log Module
log.debug()
Method Description: Logs a Debug message. Debug messages appear on the Execution tab only if the Log Level on the script deployment is set to Debug. Use this method for scripts in development.
Returns: void
Supported Script Types: All script types For more information, see SuiteScript 2.0 Script Types.
Governance: Amount of logging in any 60 minute period is limited. See N/log Module Guidelines.
Module: N/log Module
Since: 2016.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=log.debug(options)

// Code Example 1

//Add additional code

//...

var myValue = 'value';

log.debug({

    title: 'Debug Entry',

    details: 'Value of myValue is: ' + myValue

});

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4430385329.html