tutoring/app/Models/LessonVideo.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class LessonVideo extends Model
{
    protected $fillable = ['lesson_id', 'title', 'video_url', 'order'];

    public function lesson()
    {
        return $this->belongsTo(Lesson::class);
    }
}