As you already know, Floorplan Manager was built on top of ABAP WebDynpro to standardize the look & feel and development of web based UIs built with ABAP. Some of the generic tasks is to create the field catalog and description. We’ll go through proper field setup in case of FORM, LIST and TREE GUIBBs.
There is no specific event or dedicated interface provided by Floorplan Manager (FPM) to execute a download. However it is possible the same way like in WebDynpro applications, since FPM is based on ABAP WebDynpro.