How to view the xa-datasource properties from the CLI in JBoss EAP 6?

Issue

• The below configuration is added in domain.xml of datasource subsystem:

    <xa-datasource-property name="serverName"> localhost </xa-datasource-property>
    <xa-datasource-property name="portNumber"> 5432 </xa-datasource-property>
    <xa-datasource-property name="databaseName"> postgres </xa-datasource-property>

and these parameters are not visible when the jboss cli command is executed

       "xa-datasource-properties" => {
            "serverName" => undefined,
            "portNumber" => undefined,
            "databaseName" => undefined
        }