# 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 %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.arkance-systems.com/class-feeder/eng/manual/element-classification.md?ask=<question>
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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
