- TIBCO BusinessEvents®
- Standard
- Instance

# Instance.isStateMachine()

## Signature

`boolean isStateMachine (Concept instance)`

## Domain

ACTION, BUI

## Description

Checks if a concept is a state machine. Concepts that have state machines are state machine owners but are not state machines themselves.

## Parameters

Name | Type | Description
--- | --- | ---
`instance` | `Concept` | Concept instance

## Returns

Type | Description
--- | ---
`boolean` | true if `instance` is a state machine

## Cautions

none