SAP ABAP Class CL_DDIC_MD (Ddic metadata interface) is using

• Class (10)
• Table/Structure Field (6)
• Function Module (5)
• Interface (9)
• Message Class (2)
• Message Number (2)
• Class Method (18)
• Table (13)

#	Object Type	Object Name	Object Description	Note
1	Table	CRR_MESSAGE_S	CRR Message Structure
2	Table	CRR_MESSAGE_S	CRR Message Structure
3	Table	CRR_MESSAGE_S	CRR Message Structure
4	Table	CRR_MESSAGE_S	CRR Message Structure
5	Table	DDFIELD	DB-relevant description of DD table fields
6	Table	DDFIELD	DB-relevant description of DD table fields
7	Table	X030L	Nametab Header, Database Structure DDNTT
8	Table	X030L	Nametab Header, Database Structure DDNTT
9	Table	X030L	Nametab Header, Database Structure DDNTT
10	Table	X030L	Nametab Header, Database Structure DDNTT
11	Table	X031L	Nametab Structure, Database Structure DDNTF
12	Table	X031L	Nametab Structure, Database Structure DDNTF
13	Table	X031L	Nametab Structure, Database Structure DDNTF