- TIBCO BusinessEvents®
- Standard
- Instance
- PropertyArray

# Instance.PropertyArray.appendDouble()

## Signature

`void appendDouble (PropertyArrayDouble arr, double value, long time)`

## Domain

ACTION, BUI

## Description

Creates a new propertyAtomDouble of value with initial history timestamp time and appends to the end of the PropertyArray. Use instanceX.arr[instanceX.arr@length] = value for appending with system current time

## Parameters

Name | Type | Description
--- | --- | ---
`arr` | `PropertyArray` | A PropertyArray to append an element to.
`value` | `double` | A value to append to the PropertyArray, `arr`.
`time` | `long` | The initial history timestamp.

## Returns

Type | Description
--- | ---
`void` |

## Cautions

Use instanceX.arr[instanceX.arr@length] = value for appending with system current time