- TIBCO BusinessEvents®
- Standard
- Engine

# Engine.assertEvent_Async()

## Signature

`void assertEvent_Async()`

## Domain

ACTION

## Description

Execute the rules in the preprocessor context. Whatever is present (mainly asserted or deleted, will be used for execution;

## Parameters

Name | Type | Description
--- | --- | ---
`workManagerID` | `String` | Name of an existing work-manager to be used for the execution
`event` | `SimpleEvent` | Event to be asserted
`ruleFunction` | `String` | Fully qualified name of the preprocessor function if any, else null.

## Returns

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

## Cautions

none