> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Additional options for commercial invoices

> Toggle line item extraction, training during processing, and clustering for the Commercial Invoice Document Definition, or export its settings to XML.

The Commercial Invoice Document Definition includes some additional options which allow you to enable or disable the extraction of tax fields and line items, to use training based on operator corrections, and to use document clustering for training.

## Access the additional options

<Steps>
  <Step title="Open the Document Definition properties">
    In the Document Definition Editor, open the **Document Definition Properties...** dialog box.
  </Step>

  <Step title="Edit the Additional Fields and Features">
    On the **Document Definition Settings** tab, click the **Edit...** button to the right of the **Additional Fields and Features** group.
  </Step>
</Steps>

| Option                         | Description                                                                                                                                                        |
| ------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Line items extraction**      | Enables or disables extraction of line items (selected by default).                                                                                                |
| **Training during processing** | Enables training for a FlexiLayout variant. For more information, see [Training ABBYY FlexiCapture for Invoices](/flexi-capture/invoice-reader/ir-admin-training). |
| **Enable clustering**          | Enables or disables document clustering for training. For more information, see [Training with clustering](/flexi-capture/ir-clustering).                          |

## Export and import Document Definition settings

You can export or import Document Definition settings as an XML file:

| Button                 | Description                                                                  |
| ---------------------- | ---------------------------------------------------------------------------- |
| **Export Settings...** | Export your current Document Definition settings to an XML file for editing. |
| **Import Settings...** | Import existing Document Definition settings from an XML file.               |

For more information, see [Editing invoice processing settings in XML files](/flexi-capture/invoice-reader/ir-invoice-settings-xml).