SAP ABAP Program DD_ADD_FORM_INPUT (Dynamic Documents, Interactive Elements: Forms with Buttons) is using

• Class (15)
• Table/Structure Field (2)
• Message Class (1)
• Message Number (1)
• Class Method (24)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_DYN_PRG	Support for dynamic programming
2	Class	CL_DD_AREA	Dynamic Documents: Document Area
3	Class	CL_DD_BUTTON_ELEMENT	Dynamic Documents: Button Element
4	Class	CL_DD_DOCUMENT	Dynamic Documents: Document
5	Class	CL_DD_ELEMENT	Dynamic Documents: Element
6	Class	CL_DD_FORM_AREA	Dynamic Documents: Range of a Form
7	Class	CL_DD_INPUT_ELEMENT	Dynamic Documents: Input Element
8	Class	CL_DD_SELECT_ELEMENT	Dynamic Documents: Selection Element
9	Class	CL_GUI_CFW	Control Framework Basic Class
10	Class	CL_GUI_CONTAINER	Abstract Container for GUI Controls
11	Class	CL_GUI_CONTROL	Proxy Class for Control in GUI
12	Class	CL_GUI_DOCKING_CONTAINER	Docking Control Container
13	Class	CL_GUI_OBJECT	Proxy Class for a GUI Object
14	Class	CL_GUI_RESOURCES	GUI Resources (Fonts, Colors, ...)
15	Class	CX_ABAP_NOT_IN_WHITELIST	Value is not in the whitelist