digital-card/app/Models/GuestBook.php

<?php

namespace App\Models;

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

class GuestBook extends Model
{
    use HasFactory;

    protected $table = 'guestbooks';

    protected $fillable = [
        'name',
        'speech'
    ];
}