modinput.js

//modinput.js
var splunk = require('splunk-sdk');
var DataType = splunk.modularInput.DataType;
 
exports.getScheme = function() {
  var scheme = {
    'Random Numbers',
    'Streams events containing a random number',
    ['name', 'description', 'type', 'requiredOnCreate'],
    [
      [
        'min',
        'Minimum random number to be produced by this input.',
        DataType.number,
        true
      ],
      [
        'max',
        'Minimum random number to be produced by this input.',
        DataType.number,
        true
      ]
    ]
  };
  return scheme;
}
 
exports.validateInput(definition) {
  var min = parseFloat(definition.min);
  var max = parseFloat(definition.max);
  
  if (min < max)
    throw sprintf('min must be less than max; found min=%f, max=%f', min, max);
}
 
//we will invoke this for each input so a developer does not have to write boilerplate looping code.
//they can check the inputName if they are supporting multiple instances.
exports.streamEvents = function(inputName, inputItem, ew) {
  var min = parseFloat(inputItem.min);
  var max = parseFloat(inputItem.max);
  
  event = {
    stanza: inputName,
    data: sprintf('number=%s', Math.floor((Math.random()*max)+min));
  }
  ew.write(event);
}

Sorry for the sidetrack.