function getAllCampaigns() {
  // AdsApp.campaigns() will return all campaigns that are not removed by
  // default.
  var campaignIterator = AdsApp.campaigns().get();
  Logger.log(‘Total campaigns found : ‘ +
      campaignIterator.totalNumEntities());
  while (campaignIterator.hasNext()) {
    var campaign = campaignIterator.next();
    Logger.log(campaign.getName());
  }
}