The Controller class for dnnGlimpse The FeatureController class is defined as the BusinessController in the manifest file (.dnn) DotNetNuke will poll this class to find out which Interfaces the class implements. The IPortable interface is used to import/export content from a DNN module The ISearchable interface is used by DNN to index the content of a module The IUpgradeable interface allows module developers to execute code during the upgrade process for a module. Below you will find stubbed out implementations of each, uncomment and populate with your own data