- TIBCO BusinessEvents®
- Standard
- Instance

# Instance.getByExtIdByUri()

## Signature

`Concept getByExtIdByURI (String extId, String uri)`

## Domain

ACTION, BUI

## Description

Returns the Concept instance identified by `extId` and with URI matching `URI` or null if not found. Note: This method should not be used to load cache-only concepts into working memory for modifications, especially if they have not already been loaded in a pre-processor.

## Parameters

Name | Type | Description
--- | --- | ---
`extId` | `String` | The extId of the Concept instance to be returned
`uri` | `String` | URI of a Concept in the project

## Returns

Type | Description
--- | ---
`Concept` | The Concept instance identified by `extId` and with URI matching `URI` or null if not found.

## Cautions

none