scope sample laravel 8

1// in your model
2public function scopeField($query)
3    {
4        return $query->where('field', 'value'); //  if in header return $query->where('field', request()->field);
5    }
6
7// in your controller or repository 
8    public function index()
9    {
10        return Package::field()->get();
11    }

1public function apply(Builder $builder, Model $model)
2    {
3        $builder->where('age', '>', 200);
4    }