// Get the ContactService.
ContactServiceInterface contactService =
dfpServices.get(session, ContactServiceInterface.class);
// Create an advertiser contact.
Contact advertiserContact = new Contact();
advertiserContact.setName("Mr. Advertiser #" + new Random().nextInt(Integer.MAX_VALUE));
advertiserContact.setEmail("advertiser@advertising.com");
advertiserContact.setCompanyId(advertiserCompanyId);
// Create an agency contact.
Contact agencyContact = new Contact();
agencyContact.setName("Ms. Agency #" + new Random().nextInt(Integer.MAX_VALUE));
agencyContact.setEmail("agency@agencies.com");
agencyContact.setCompanyId(agencyCompanyId);
// Create the contacts on the server.
Contact[] contacts =
contactService.createContacts(new Contact[] {advertiserContact, agencyContact});