To gain an overview of all generated properties, that is all fields existing in the back-end system and delivered by the search model, open the SAP NetWeaver Gateway via transaction /IWFND/MAINT_SERVICE.

Retrieve the OData service for your fact sheet in the App Implementation documentation for your fact sheet at http://help.sap.com/fiori under  SAP Fiori Apps <your SAP Business Suite product> <your SAP Business Suite application> <your SAP Fiori app> App Implementation: <your SAP Fiori app> .

Choose Gateway Client, and the Add URI Option pushbutton.

UnderURI Option, choose $metadata and choose Execute. The system provides all fields selected by the search model in the back end, including the fields you have added to the search model.