- TIBCO BusinessEvents®
- Standard
- Engine
- Variable

# Engine.Variable.getEngineDoubleArrayVar()

## Signature

`double getEngineDoubleArrayVar(String varName)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

Gets the engine variable as double[] of name varName. Engine variable is a in-memory variable share across all the rule sessions for a RuleServiceProvider. Rule condition won't have dependency of this variable i.e. changes of this variable won't retrigger the rule if it is used in the condition. This function 0.0 false if the variable is not set.

## Parameters

Name | Type | Description
--- | --- | ---
`varName` | `String` | The name of the variable.

## Returns

Type | Description
--- | ---
`double[]` | The value of this variable

## Cautions

none