hainan/app/Events/DepositUpdate.php

<?php

namespace App\Events;

use App\Models\Supplier;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

class DepositUpdate
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public $supplier;

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