OpenSim-Test/OpenSim/Region/OptionalModules/Resources/OptionalModules.addin.xml

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

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

    <Extension path = "/OpenSim/RegionModules">
      <RegionModule id="IRCBridge"             type="OpenSim.Region.OptionalModules.Avatar.Chat.IRCBridgeModule" />
      <RegionModule id="Concierge"             type="OpenSim.Region.OptionalModules.Avatar.Concierge.ConciergeModule" />
      <RegionModule id="VivoxVoice"            type="OpenSim.Region.OptionalModules.Avatar.Voice.VivoxVoice.VivoxVoiceModule" />
    </Extension>
</Addin>