- TIBCO BusinessEvents®
- CEP Pattern
- Pattern
- Manager
- Advanced

# Pattern.Manager.Advanced.getEventIds()

## Signature

`Object[] getEventIds(Object opaque)`

## Domain

ACTION

## Description

Returns an array of Event Ids that have been observed by the pattern instance so far - i.e that ones that did not cause the instance to fail. The only parameter this function takes is the $1opaque$1 parameter provided by the Pattern Service when it invokes the listener rule function. An empty array is returned if there were no such Event Ids.

## Parameters

Name | Type | Description
--- | --- | ---
`advancedOpaque` | `Object` | Service when it invoked the callback RuleFunction.

## Returns

Type | Description
--- | ---
`Object[]` | An empty array if there was nothing.

## Cautions

none

## See Also

void setCompletionListener(Object patternInstance, String ruleFunctionURI)