- TIBCO BusinessEvents®
- Standard
- Temporal
- History

# Temporal.History.howManySince()

## Signature

`int howManySince(PropertyAtom pa, long time)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

This method returns how many history values exist for given property since the specified time. The value is bounded by history size.

## Parameters

Name | Type | Description
--- | --- | ---
`pa` | `PropertyAtom` | The target property.
`time` | `long` | The specified time in millisecond.

## Returns

Type | Description
--- | ---
`int` | Number of history values that exist since the specified time.

## Cautions

none