- TIBCO BusinessEvents®
- Standard
- XPath

# XPath.execute()

## Signature

`String execute (String xpath, String xml, String prefixes)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

Evaluate an XPath Expression against the input XML String.

## Parameters

Name | Type | Description
--- | --- | ---
`xpath` | `String` | The XPath expression. $var is required in front of the root element, for example: $1count($var/order/orderlines)$1.
`xml` | `String` | The XML string for the xpath to be executed on.
`prefixes` | `String` | The prefixes and namespaces in comma delimiter format, for example: $1xns1=http://www.tibco.com/be,xns2=http://www.tibco.com/support$1.

## Returns

Type | Description
--- | ---
`String` | The result of the evaluation.

## Cautions

RuntimeException for an undefined property.