> For the complete documentation index, see [llms.txt](https://help.arkance-systems.com/class-feeder/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.arkance-systems.com/class-feeder/eng/manual/element-classification.md).

# Classification of Elements

Class Feeder is operated from *BIM Management* tab -> *Class Feeder* panel -> *Write* button.

<figure><img src="/files/U35gDnxHQGwzP0fobkiL" alt=""><figcaption><p>Class Feeder on BIM Management tab</p></figcaption></figure>

### User interface

<figure><img src="/files/wCbhTuOcU15WTSYZXLqN" alt=""><figcaption><p>Class Feeder user interface</p></figcaption></figure>

* Selection by category
* Instance selection
* Facet selection
* Search in classification tables
* Classification tables
* Selection from model space
* Graphical tools (model check)
* Filter by facet (model check)
* Filter according to assigned classification (model check)

{% hint style="info" %}
The application loads CCI classification from the internet upon startup. Internet connection is needed for correct operation of the application.
{% endhint %}

{% hint style="info" %}
The Class Feeder Write dialogue window is nonmodal, so it cen be placed on secondary monitor and left open even when working with other Revit tools.
{% endhint %}