
A class that implements one of the following ABAP interfaces:
IF_FPM_GUIBB_FORM (for form component )
IF_FPM_GUIBB_LIST (for list component )
IF_FPM_GUIBB_SEARCH (for search component )
IF_FPM_GUIBB_TREE (for hierarchical list component )
Using the GET_DEFINITION method, the class defines the field catalog of the component and supplies the component at runtime with data from the application using the GET_DATA method.