# Outliner

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This page is currently being written.
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The Outliner was introduced in version 7.0.0.
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## Advanced features

### Deep Rename Parts

This feature allows you to **rename** **multiple parts** in a single operation using a Ruby formula that will be applied to each part.

Right-click on the instance from which you want to start the renaming. For example, a group containing multiple parts and select the *Rename Parts...* item.

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If the instance is part of a selection, all instances in the selection will be taken into account by the function.
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<figure><img src="/files/9zDTrYm5UCj19UWbwYzJ" alt=""><figcaption></figcaption></figure>

A dialog box will open where you can define the formula that will be applied to all the parts. This [formula](https://docs.opencutlist.org/features/parts/formulas) gives you access to variables that contain the parts' information. Type the `@` character to open the variables list.&#x20;

<div><figure><img src="/files/iXatfbjqbQI19nBhocpj" alt=""><figcaption></figcaption></figure> <figure><img src="/files/CavD8KuT9GnEcWVEJQrG" alt=""><figcaption></figcaption></figure> <figure><img src="/files/yH8ESgBCB9eVp11jvf1j" alt=""><figcaption></figcaption></figure></div>

As you enter your formula, a preview of the modified parts' names will be displayed.\
To confirm the operation, click **Rename**.

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The system will ensure that component definitions are **unique** in the case of different names at the output.
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Note that a part is not renamed if the formula returns an empty string.
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#### Example of usages

<div><figure><img src="/files/TQ4BEd11qB2Tsf5i3DG1" alt=""><figcaption><p>Added part size</p></figcaption></figure> <figure><img src="/files/KUJ0XaVGtaegCgeqfuOn" alt=""><figcaption><p>Added instance name</p></figcaption></figure> <figure><img src="/files/dmGff3jrgTvPd0nKYjuz" alt=""><figcaption><p>Added material name</p></figcaption></figure></div>


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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://docs.opencutlist.org/features/outliner.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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.