You may notice those fancy <% %>-Tags, these are [wiki:Documentation/Templates|template markups] used by the LuCI template processor.
It is always good to include header and footer at the beginning and end of a template as those create the default design and menu.
-## CBI models
+## <a name=cbimodels></a> CBI models
The CBI is one of the uber coolest features of LuCI. It creates a formular based user interface and saves its contents to a specific UCI config file. You only have to describe the structure of the configuration file in a CBI model file and Luci does the rest of the work. This includes generating, parsing and validating a XHTML form and reading and writing the UCI file.
So let's be serious at least for this paragraph and create a real pratical example *_lucidir_/model/cbi/myapp-mymodule/netifaces.lua* with the following contents: