SAP ABAP TYPE MGWGM (MGWGM) is using

• Table/Structure Field (26)
• Table (16)

#	Object Type	Object Name	Object Description	Note
1	Table	BAPIRETURN1	Return Parameter
2	Table	CABN	Characteristic
3	Table	CAWN	Characteristic values
4	Table	DFIES	DD Interface: Table Fields for DDIF_FIELDINFO_GET
5	Table	MAKT	Material Descriptions
6	Table	MARA	General Material Data
7	Table	MGWCOPYRULE	Copy Rules for Matrix Maintenance - Material Master
8	Table	MTRX_CHAR	Characteristics Relevant to Matrix
9	Table	MTRX_MODE	Screen Mode for Characteristics Matrix
10	Table	MTRX_VALI	Characteristic Values Relevant to Matrix
11	Table	MTRX_VART	Nodes in Variant Article Matrix for Transfer to Int. Article
12	Table	MTRX_WSEL	Matrix Node Values Dependent on Mode (Qty, Price, and so on)
13	Table	MVKE	Sales Data for Material
14	Table	SCREEN	Structure Description for the System Data Object SCREEN
15	Table	ST130F	Structure: T130F Extended to Include Table Name, Field Name
16	Table	T130F	Field attributes