attributes['clientinfo_uid'] ?? null; } final public function getServiceInfoUID(): string|null { return $this->attributes['serviceinfo_uid'] ?? null; } //기본기능용 public function getCustomTitle(): string { return sprintf("[%s] %s", $this->getCode(), $this->getTitle()); } public function getPrice(): int { return $this->attributes['price'] ?? 0; } public function getType(): string { return $this->attributes['type'] ?? ""; } public function getIP(): string|null { return $this->attributes['ip'] ?? null; } }