Dynamic custom variable object

customVarPoc.js

var rawData = [{foo: 'bar'}, {bar: 'baz'}, {red: 'yellow'}];

function generateCustomVarObject(keyValue, rawData) {
  customVariables = {}

  for (i = 0; i < rawData.length; i++) {
    customVariables[keyValue + i] = JSON.stringify(rawData[i]);
  }
  return customVariables;
}

console.log(generateCustomVarObject('key', rawData));