# Renumber

**Icon:** <img src="https://content.gitbook.com/content/qtUsszuAWXIZhQhrvjnb/blobs/JIiC9eJKxpIbUbycC1ru/image" alt="" data-size="line">

**Location:** ribbon Be.Smart T4R MEP, panel Modify

**Packages:** Be.Smart T4R Silver

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#### Main functionalities and benefits:

* Create better and more accurate documentation
* Easier access to all MEP elements in a branch
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### Overview

The function Renumber ducts renumbers all devices and ducts in the selected branch from a given number. Just select the first element of the duct branch.

If you renumber only a part of the duct, select the start point and the direction of renumbering. In case the branch contains element of the same type and size, it will be assigned the same number.

<figure><img src="https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2F4l2jF3YrLktCozpCOlvC%2F3.gif?alt=media&#x26;token=1d66432a-a651-41cc-991f-4c2e21bdf7a3" alt=""><figcaption></figcaption></figure>

### Tutorial

{% file src="<https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FCVlWVmHlooNjTieKahxM%2FDuctRenumber.mp4?alt=media&token=147a46eb-1052-47f7-b678-99daaf41eb0c>" %}


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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.besmart.software/3d-modeling-and-design/t4r/list-of-mep-features/renumber.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.