Building IBM Lotus Sametime on top of IBM Lotus Expeditor lets you <A HREF="http://www.ibm.com/developerworks/lotus/library/sametime-eclipse-pt4/index.html?ca=drs-">use Eclipse as a Plug-in Development Environment</A> to extend Lotus Sametime's functionality. In this final article of the series, you learn how to bundle your plug-in into a feature project and an Eclipse update site.