elasticsearch/docs/reference/query-languages/esql/_snippets/functions/to_base64.md

TO_BASE64 [esql-to_base64]

Syntax

:::{image} ../../../../../images/to_base64.svg :alt: Embedded :class: text-center :::

Parameters

string

A string.

Description

Encode a string to a base64 string.

Supported types

string	result
keyword	keyword
text	keyword

Example

row a = "elastic"
| eval e = to_base64(a)

a:keyword	e:keyword
elastic	ZWxhc3RpYw==