How to create a modeshape datasource connection for JBoss

<datasource jndi-name="java:/jcr/myportal" pool-name="myJCRPortalPool" enabled="true" use-java-context="true">
 <connection-url>jdbc:jcr:jndi:jcr?repositoryName=my</connection-url>
 <connection-property name="workspace">
  extra
 </connection-property>
 <driver>modeshape</driver>
 <security>
  <user-name>admin</user-name>
  <password>admin</password>
 </security>
</datasource>