adrema/app/Invoice/Events/InvoicesMassStored.php

<?php

namespace App\Invoice\Events;

use App\Invoice\Models\Invoice;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Collection;

class InvoicesMassStored
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    /**
     * Create a new event instance.
     *
     * @param Collection<int, Invoice> $invoices
     * @return void
     */
    public function __construct(public int $year, public Collection $invoices)
    {
        //
    }

    /**
     * Get the channels the event should broadcast on.
     *
     * @return PrivateChannel
     */
    public function broadcastOn()
    {
        return new PrivateChannel('channel-name');
    }
}