Ok, let me preface by stating this Excel container did not ship in the Notes 8.5 beta. If you seriously want it in the end product please let me know because I think it is slated as a web delivery for the moment.
This is a very basic demo and it still uses the POC landmark editing UI, however I think you will get the point in the end. It shows you how you can define properties and map those properties to cells and cell ranges in a spreadsheet.
Once again, no programming!