SAP ABAP Program LNAMBF20 (Datenleseroutinen) is using

• Class (8)
• Data Element (9)
• Table/Structure Field (349)
• Function Module (17)
• Interface (2)
• Message Class (1)
• Message Number (14)
• Class Method (8)
• Program (2)
• Table (58)
• View (5)

#	Object Type	Object Name	Object Description	Note
1	Interface	IF_EX_ISH_APPT_EXT	BAdI Interface IF_EX_ISH_APPT_EXT
2	Interface	IF_ISH_DATA_OBJECT	IS-H: Base Interface for Data Objects