SAP ABAP Program LUCUM1F02 (Sender and receiver trees) is using

• Class (8)
• Data Element (6)
• Table/Structure Field (21)
• Interface (2)
• Class Method (14)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_ABAP_TYPEDESCR - DESCRIBE_BY_DATA	Runtime Type Services
2	Class Method	CL_DRAGDROP - ADD	Behavior for Drag and Drop
3	Class Method	CL_DRAGDROP - CONSTRUCTOR	Behavior for Drag and Drop
4	Class Method	CL_DRAGDROP - GET_HANDLE	Behavior for Drag and Drop
5	Class Method	CL_GUI_ALV_GRID - REFRESH_TABLE_DISPLAY	ALV List Viewer
6	Class Method	CL_GUI_CUSTOM_CONTAINER - CONSTRUCTOR	Container for Custom Controls in the Screen Area
7	Class Method	CL_SIMPLE_TREE_MODEL - ADD_NODES	Simple Tree Control with Data Management at the Backend
8	Class Method	CL_SIMPLE_TREE_MODEL - CONSTRUCTOR	Simple Tree Control with Data Management at the Backend
9	Class Method	CL_TREE_MODEL - CREATE_TREE_CONTROL	Tree Model: Basic Class
10	Class Method	CL_TREE_MODEL - DELETE_ALL_NODES	Tree Model: Basic Class
11	Class Method	CL_TREE_MODEL - EXPAND_NODE	Tree Model: Basic Class
12	Class Method	IF_UC_MODEL - CONVERT_CHAR_OUTPUT	Model (Metadata)
13	Class Method	IF_UC_MODEL - CREATE_DATA_REFERENCE	Model (Metadata)
14	Class Method	IF_UC_SEL - GET_SINGLE_VALUES	Interface Selection Condition