bytefury/crater

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;

class Tax extends Model
{
    //
    public function scopeTaxAttributes($query)
    {
        $query->select(
            DB::raw('sum(amount) as total_tax_amount, tax_type_id')
        )->groupBy('tax_type_id');
    }
    //
}