$model->id, 'company_id' => $model->company_id, 'bill_id' => $model->bill_id, 'item_id' => $model->item_id, 'name' => $model->name, 'sku' => $model->sku, 'quantity' => $model->quantity, 'price' => $model->price, 'total' => $model->total, 'tax' => $model->tax, 'tax_id' => $model->tax_id, 'created_at' => $model->created_at->toIso8601String(), 'updated_at' => $model->updated_at->toIso8601String(), ]; } }