OpenSim-Test/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml

<Addin id="OpenSim.Region.ScriptEngine.XEngine" version="0.2">
    <Runtime>
        <Import assembly="OpenSim.Region.ScriptEngine.XEngine.dll"/>
    </Runtime>

    <Dependencies>
        <Addin id="OpenSim" version="0.5" />
    </Dependencies>

    <Extension path = "/OpenSim/RegionModules">
        <RegionModule id="XEngine" type="OpenSim.Region.ScriptEngine.XEngine.XEngine" />
    </Extension>
</Addin>