autocde2.0/app/Models/Notification.php

<?php

namespace App\Models;

use EloquentFilter\Filterable;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Notification extends Model
{
    use HasFactory, Filterable;

    protected $guarded = ['id'];

    protected $casts = [
        'extra_fields' => 'array'
    ];
}