// Create selector.
Selector selector = new Selector();
selector.setFields(new String[] {"CampaignId", "AdGroupId", "BidModifier", "Id"});
selector.setPaging(new Paging(offset, PAGE_SIZE));
AdGroupBidModifierPage page = bidModifierService.get(selector);
if (page.getEntries() != null) {
for (AdGroupBidModifier bidModifierResult : page.getEntries()) {
String bidModifierValue =
bidModifierResult.getBidModifier() != null ? bidModifierResult.getBidModifier()
.toString()
: "unset";
System.out.printf("Campaign ID '%s', AdGroup ID '%s' Criterion ID '%s' "