SAP ABAP Program LC12LAYOUTF03 (EHS: The Official WWI Wizard) is using

• Class (7)
• Data Element (3)
• Table/Structure Field (90)
• Function Module (6)
• Interface (3)
• Message Class (1)
• Message Number (9)
• Class Method (13)
• Table (13)

#	Object Type	Object Name	Object Description	Note
1	Interface	I_OI_DOCUMENT_PROXY	General Document Interface
2	Interface	I_OI_ERROR	Error Object
3	Interface	I_OI_TABLE_COLLECTION	Table Collection