invoiceninja/app/Events/InvoiceWasUpdated.php

<?php namespace App\Events;

use App\Events\Event;

use Illuminate\Queue\SerializesModels;

class InvoiceWasUpdated extends Event {

	use SerializesModels;
    public $invoice;

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

}