> ## Documentation Index
> Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ETL: URLEncode

> Encode a string expression for safe use in URLs using percent encoding. Use URLENCODE for building API query parameters in ETL data pipelines.

## Description

URL-encodes a given string expression.

## Syntax

`URLEncode(string_expression)`

## Examples

`URLEncode('a b ca')` returns 'a+b+ca'

## Return value datatype

String

## Impact of null value

If input is null, returns null.