public function BulletinGetTopics($category_id) { // $category_id : base:IDType (NOT Array, only ONE id gives) $this->CheckAndSetHeader(__FUNCTION__); $reg_args["category_id"] = $category_id; $this->encodeString($reg_args); $results = parent::BulletinGetTopics($reg_args); $this->methodClose(); return $this->RetvalConvertArray($results->category->topic); }