metadata
title: Data transformation functions
description: Introduction to data transformation functions for expressions.
contentType: overview
Data transformation functions
Data transformation functions are helper functions to make data transformation easier in expressions.
/// note | JavaScript in expressions You can use any JavaScript in expressions. Refer to Expressions for more information. /// For a list of available functions, refer to the page for your data type:
Usage
Data transformation functions are available in the expressions editor.
The syntax is:
{{ dataItem.function() }}
For example, to check if a string is an email:
{{ "example@example.com".isEmail() }}
// Returns true