One of the more advanced Extensions for Yacht Charter 2.0! is the Plug-in. In previous versions of Yacht Charter 2.0! Plug-ins were known as add-ons. Aside from changing their name their functionality has been expanded. A Plug-in is a section of code that runs when a pre-defined event happens within Yacht Charter 2.0!. Editors are Plug-in, for example, that execute when the Yacht Charter 2.0! event (on Get Editor Area occurs). Using a Plug-in allows a developer to change the way their code behaves depending upon which Plug-in are installed to react to an event.