Display

function addPlacementToAdGroup(adGroupName, url, cpc) {
  const adGroups = AdsApp.adGroups()
      .withCondition(`ad_group.name = '${adGroupName}'`)
      .get();
  if (!adGroups.hasNext()) {
    throw new Error(`No ad group with the name '${adGroupName}' was found.`);
  }
  const adGroup = adGroups.next();
  if (adGroups.totalNumEntities() > 1) {
    console.warn(`Found ${adGroups.totalNumEntities()} ad groups with the ` +
      `name '${adGroupName}'. Adding placement to the ad group in campaign ` +
      `'${adGroup.getCampaign().getName()}'.`);
  }

  // Other display criteria can be built in a similar manner using the
  // corresponding builder method in the AdsApp.CampaignDisplay or
  // AdsApp.AdGroupDisplay class.
  const placementBuilder = adGroup.display()
      .newPlacementBuilder()
      .withUrl(url);  // required
  if (cpc) {
    placementBuilder.withCpc(cpc); // optional
  }
  const operation = placementBuilder.build();
  if (operation.getStatus() == 'SUCCESS') {
    const placement = operation.getResult();
    console.log(`Placement with id = ${placement.getId()} and url = ${placement.getUrl()} was created.`);
  } else {
    console.warn(`Failed to create placement. Errors = ${operation.getErrors().join(', ')}`);
  }
}

function getAllTopics(campaignName, adGroupName) {
  return AdsApp.display()
      .topics()
      .withCondition(`campaign.name = '${campaignName}'`)
      .withCondition(`ad_group.name = '${adGroupName}'`);
}

function logAudienceStats(campaignName, adGroupName, dateRange = 'LAST_MONTH') {
  // Other display criteria can be retrieved in a similar manner using
  // the corresponding selector methods in the AdsApp.Display,
  // AdsApp.CampaignDisplay or AdsApp.AdGroupDisplay class.
  const audienceIterator = AdsApp.display()
      .audiences()
      .withCondition(`campaign.name = '${campaignName}'`)
      .withCondition(`ad_group.name = '${adGroupName}'`)
      .get();

  console.log('ID, Audience ID, Clicks, Impressions, Cost');

  for (const audience of audienceIterator) {
    const stats = audience.getStatsFor(dateRange);

    // User List IDs (List IDs) are available on the details page of
    // a User List (found under the Audiences section of the Shared
    // Library)
    console.log(`${audience.getId().toFixed(0)}, ${audience.getAudienceId()}, `
        + `${stats.getClicks()}, ${stats.getImpressions()}, ${stats.getCost()}`);
  }
}