> For the complete documentation index, see [llms.txt](https://help.holixa.com/t4r/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.holixa.com/t4r/features/list-of-features/renumber-rooms.md).

# Renumber rooms

Renumber rooms with prefix and suffix

**Icon:** <picture><source srcset="/files/fnd3XqPtjiHkdu5GzTV1" media="(prefers-color-scheme: dark)"><img src="https://content.gitbook.com/content/JeZIMurpHt77wRhe3oAI/blobs/wLCXRt0MymvqxzKvOOGU/RoomRenumber.png" alt="" data-size="line"></picture>

**Location:** ribbon Holixa T4R, panel Rooms

**Packages:**  Holixa T4R Bronze | Holixa T4R Silver

### **Overview**

The Renumber function allows you to assign new numbers to rooms and spaces (MEP objects) in your project. You can specify a prefix and suffix for the numbers, and then select which rooms and spaces you want to renumber. The function will renumber them in sequential order.

#### Click to play the video tutorial ↓

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