---
layout: page
title: "Rename"
node_type: "nodetool.data.Rename"
namespace: "nodetool.data"
---

**Type:** `nodetool.data.Rename`

**Namespace:** `nodetool.data`

## Description

Rename columns in dataframe.
    rename, columns, names

    Use cases:
    - Standardize column names
    - Make column names more descriptive
    - Prepare data for specific requirements

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| dataframe | `dataframe` | The DataFrame to rename columns. | `{"type":"dataframe","uri":"","asset_id":null,"d...` |
| rename_map | `str` | Column rename mapping in format: old1:new1,old2:new2 | `` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `dataframe` |  |

## Related Nodes

Browse other nodes in the [nodetool.data](../) namespace.
