public function BulletinAddFollows(CbgrnBulletinAddFollowType $add_follow)
 {
     // $add_follow : CbgrnBulletinAddFollowType class (NOT array)
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["add_follow"] = $add_follow->getObjectVars();
     $this->encodeString($reg_args);
     $results = parent::BulletinAddFollows($reg_args);
     $this->methodClose();
     return $this->decodeString(new CbgrnTopicType($results->topic));
 }