laravel query on model code example

Example 1: find or fail laravel

$model = App\Models\Flight::findOrFail(1);

$model = App\Models\Flight::where('legs', '>', 100)->firstOrFail();

Example 2: laravel fillable

/**
     * The attributes that are mass assignable.
     */
    protected $fillable = [
      					   'title',
                           'slug',
                           'body',
                           'image',
                           'published',
                           'comments_open'
                          ];