- TIBCO BusinessEvents®
- Standard
- XPath

# XPath.evalAsDouble()

## Signature

`double evalAsDouble (String path)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

Evaluate the xpath expression on the objects as specified in XPathbuilder.

## Parameters

Name | Type | Description
--- | --- | ---
`path` | `String` | Formed using XPathBuilder.

## Returns

Type | Description
--- | ---
`double` | Returns the value identified by path param as double if exists, 0.0 otherwise.

## Cautions

Using more than one object is join in the rule's engine.