AdWords Shopping Bidder - CPA Target £20

adwordsShoppingBidderCPA.js

function main() {
  var targetCPA = 20;

  var productGroupSelector = AdWordsApp
  .productGroups()
  .withCondition("Impressions > 100")
  .forDateRange("LAST_MONTH")
  .orderBy("Clicks DESC");
  
  var productGroupIterator = productGroupSelector.get();
  while (productGroupIterator.hasNext()) {
    var productGroup = productGroupIterator.next();
    var conversionRate = productGroup.getStatsFor("LAST_MONTH").getConversionRate();
    productGroup.setMaxCpc(targetCPA * conversionRate)
  }
}