---
title: "lower"
description: "Takes a string and returns a lower-case version of it."
---

# lower

> Takes a string and returns a lower-case version of it.

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

## Description
## Syntax
`lower(string)`

### Parameters

| Type | Parameter | Description |
|---|---|---|
| String | `string` | The string to make lowercase. |

### Results
**String** - The starting string with all characters lowercase.

## Examples
```python title="Code Snippet"
lower("Hello World") // returns "hello world"
```