- TIBCO BusinessEvents®
- Standard
- VRF

# VRF.getVRFImplNames()

## Signature

`String[] getVRFImplNames (String vrfURI)`

## Domain

ACTION, BUI

## Description

Get the names of all available implementations of a virtual rule function.

## Parameters

Name | Type | Description
--- | --- | ---
`vrfURI` | `String` | The URI of the virtual rule function.

## Returns

Type | Description
--- | ---
`String[]` | List of names of available implementations. Null if none found.

## Cautions

none

## Example

String[] implNames = VRF.getVRFImplNames("/Virtual_RF/Sample_VirtualRuleFunction"); Here implNames is array of names of all available implementations of a virtual rule function.