@salvatoredragotta you simply need to add an XML documentation file to your build output. In VS click Project > Properties, click the Build tab then check the XML Documentation File setting.
Now add the XML tags above any public class members. If you triple forward slash above the member, you will automatically generate the necessary tags. To rename your output ports, use the returns name tag:
@erfajo method to name output ports will only work if you develop nodes using Dynamo’s NodeModel, whereas Zero Touch uses XML tags.