SAP ABAP Program EXTENSION_F021 (Allg. Formroutine: read_single) is using

• Class (1)
• Data Element (3)
• Table/Structure Field (6)
• Function Module (2)
• Interface (1)
• Class Method (2)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Function Module	COM_PR_ADD_CHANGED_SETTYPE_ALL	COM_PR_ADD_CHANGED_SETTYPE_ALL-
2	Function Module	COM_PR_GET_SETTYPE_REF	COM_PR_GET_SETTYPE_REF-