- TIBCO BusinessEvents®
- Standard
- Instance

# Instance.updateInstanceFromXML()

## Signature

`Concept updateInstanceFromXML (String xml)`

## Domain

ACTION

## Description

Update a Concept instance with data contained in an XML serialization of concept data. The Concept instance to be updated is identified by an extId attribute in the serialized concept data. An Exception will be thrown if the extId provided does not match any existing Concept instance.

## Parameters

Name | Type | Description
--- | --- | ---
`xml` | `String` | An XML string to be deserialized

## Returns

Type | Description
--- | ---
`Concept` | The updated Concept instance

## Cautions

none