// Request the service.
SpotlightRemote service = dfaServices.get(session, SpotlightRemote.class);
// Set activity group search criteria structure and
// use advertiser ID as search criteria.
SpotlightActivityGroupSearchCriteria activityGroupSearchCriteria =
new SpotlightActivityGroupSearchCriteria();
activityGroupSearchCriteria.setAdvertiserId(advertiserId);
// Get activity group.
SpotlightActivityGroupRecordSet spotlightActivityGroupRecordSet =
service.getSpotlightActivityGroups(activityGroupSearchCriteria);