UPnP Blog - service action

gistfile1.xml

<scpd xmlns="urn:Belkin:service-1-0">
    <specVersion>
        <major>1</major>
        <minor>0</minor>
    </specVersion>
    <actionList>
        <action>
            <name>GetBinaryState</name>
            <argumentList>
                <argument>
                    <retval/>
                    <name>BinaryState</name>
                    <relatedStateVariable>BinaryState</relatedStateVariable>
                    <direction>out</direction>
                </argument>
            </argumentList>
        </action>
    </actionList>
</scpd>