---
title: "columnRename"
description: "Returns a view of the given dataset with the columns renamed."
---

# columnRename

> Returns a view of the given dataset with the columns renamed.

**This function is used by Ignition's Expression language.**

## Description
Returns a view of the given dataset with the columns renamed. The number of new names must match exactly with the existing column count.

## Syntax
` columnRename(dataset[, newName...])`

### Parameters

| Type | Parameter | Description |
|---|---|---|
| Dataset | `dataset` | The starting dataset. |
| String | `newName` | Optional. Any number of new column names. The columns specified must match the number of columns in the original dataset. |

### Results
**DataSet** - A new dataset with new column names.

## Examples
```python title="Code Snippet"
columnRename(twoColDataset, "colOne", "colTwo") // returns a Dataset with columns ["colOne", "colTwo"]
```