SAP ABAP Program TREE_CLASS_SG (TREE_CLASS_SG) is using

• Class (4)
• Data Element (1)
• Table/Structure Field (4)
• Message Class (1)
• Message Number (1)
• Class Method (7)

#	Object Type	Object Name	Object Description	Note
1	Data Element	LVC_NKEY	ALV Tree Control: Node Key