izyim/app/Models/PackingList.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Spatie\Activitylog\Traits\LogsActivity;

class PackingList extends Model
{

    use LogsActivity;

    protected $table = 'packing_lists';

    protected $fillable = [
        'order_id', 'reference_no', 'confirmed'
    ];

    protected static $logFillable  = true;

    public function packages()
    {
        return $this->hasMany(Package::class, 'list_id');
    }

    public function order()
    {
        return $this->belongsTo(Order::class, 'order_id');
    }
}