function verifyOffice(Operation $op, $branch, $officename, $properties)
 {
     if ($op->errorReason() == "duplicate") {
         return TRUE;
     }
     $groupId = $properties['group-id'];
     try {
         $data = $this->directoryService->groups->get($groupId);
         // TODO: maybe return FALSE if $properties has a group-email or group-name that is different (changing office info)?
         // No, we probably want to use a different operation if we are updating rather than creating the office.
         $newProperties['group-email'] = $data['email'];
         $newProperties['group-id'] = $data['id'];
         $newProperties['group-name'] = $data['name'];
         // Fill in the group id etc. provided to us.
         $parameters = array($branch, $officename, $newProperties);
         $op->setRunFunctionParameters($parameters);
     } catch (\Exception $e) {
         return FALSE;
     }
     return TRUE;
 }