<?xml version="1.0" encoding="UTF-8"?>
<doctrine-mongo-mapping xmlns="http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping
                        http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping.xsd">

    <mapped-superclass name="FOS\MessageBundle\Document\MessageMetadata">

        <field name="isRead" fieldName="isRead" type="boolean" />

        <!--<reference-one field="participant" target-document="Acme\UserBundle\Document\User" />-->

    </mapped-superclass>

</doctrine-mongo-mapping>
