After downloading and installing the plugin, you will find the sample here:
After completing the wizard, you will have these sources:
Run the sample module and you will have a TopComponent with this content:
A new tutorial that will result in the above sample will be created this week. It will be based on these two resources:
So watch this space for the announcement of the new tutorial that relates to this subject. In the meantime, feel free to download the sample and inspect the sources and adapt them to your own scenarios.