Create a new protocol

With the help of [Content Assist] create a [ProtocolClass] and name it [BlinkyControlProtocol]. Inside the brackets use the [Content Assist] (CTRL+Space) to create two incoming messages called [start] and [stop].

The resulting code should look like this:

With Ctrl-Shift+F or selecting [Format] from the context menu you can format the text. Note that all elements are displayed in the outline view.