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

<?php

namespace App\Events\ReceiptIssuingOrder;

/**
 * 担当変更イベント
 */
class ChangeHandlerEvent extends ReceiptIssuingOrderEvent
{
    public function getEventName(): string
    {
        return "担当者変更";
    }
}