invoiceninja/app/Events/PaymentWasVoided.php

<?php namespace App\Events;

use App\Events\Event;

use Illuminate\Queue\SerializesModels;

class PaymentWasVoided extends Event {

    use SerializesModels;
    public $payment;

    /**
     * Create a new event instance.
     *
     * @return void
     */
    public function __construct($payment)
    {
        $this->payment = $payment;
    }

}