SATE-EasyReceipt/app/Events/ReceiptIssuingOrder/MailOrderEvent.php

<?php

namespace App\Events\ReceiptIssuingOrder;

/**
 * 郵送依頼イベント
 */
class MailOrderEvent extends ReceiptIssuingOrderEvent
{
    public function getEventName(): string
    {
        return "郵送依頼";
    }
}