Looking for feedback on "injecting of channels"

<componentType xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912">

    <... >

    <property name="myChannel" element="sca:channelInjection">
        <sca:channelInjection injectionRequired="true" ...>
            <filters />?
            <eventType />?
            <binding />?
            <requires />*
            <policySetAttachment/>*
        </sca:channelInjection>
    </property>

    < ... >

</componentType>