The NodeDescription is the information displayed in the NodeDescription window of your workbench. You can edit the information in the XML file, which is named exactly like your NodeFactory. In our case it is the NumericBinnerNodeFactory.xml. The NodeDescription explains the functionality of the node, the configuration options, the node's view and the meaning of the in- and outports. Since we added a ModelOutport we also have to add a description of that port. When you look at the NumericBinnerNodeFactory.xml file you will notice that there are already some fields but most of them filled with placeholders. We will go through each of the fields and add the appropriate information.
Note, that as of KNIME 2.0 no distinction between data and model ports are necessary in the NodeDescription anymore.
We add: