Extract body elements XML- WSo2 EI

Given the following soap message the use case it to extract only the elements of the body (exclude the soap envelope and body tags). Following is the XML message in which the content is needed to be extracted from.

<?xml version="1.0" encoding="UTF-8"?> <soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">    <soapenv:Body>       
<AuditMessage>          
<EventIdentification EventActionCode="U" EventDateTime="not specialized" EventOutcomeIndicator="not specialized">
 </AuditMessage>    
</soapenv:Body> 
</soapenv:Envelope>

Use the following expression to extract the content in the body

<property expression="$body/*" name="syslogMessage"
            scope="default" type="STRING"
            xmlns:m0="http://services.samples"
            xmlns:ns="http://org.apache.synapse/xsd" xmlns:ns2="http://org.apache.synapse/xsd"/>

The output is as follows,

<AuditMessage>          
<EventIdentification EventActionCode="U" EventDateTime="not specialized" EventOutcomeIndicator="not specialized">
</AuditMessage>