SAP ABAP TYPE MGWSM (MGWSM) is using

• Table/Structure Field (51)
• Table (23)

#	Object Type	Object Name	Object Description	Note
1	Table	CABN	Characteristic
2	Table	CALP	Sales Price Calculation: Item in a Price Calculation
3	Table	CAWN	Characteristic values
4	Table	KONP	Conditions (Item)
5	Table	MAKT	Material Descriptions
6	Table	MARA	General Material Data
7	Table	MTRX_CHAR	Characteristics Relevant to Matrix
8	Table	MTRX_MODE	Screen Mode for Characteristics Matrix
9	Table	MTRX_VALI	Characteristic Values Relevant to Matrix
10	Table	MTRX_VART	Nodes in Variant Article Matrix for Transfer to Int. Article
11	Table	MTRX_WSEL	Matrix Node Values Dependent on Mode (Qty, Price, and so on)
12	Table	MVKE	Sales Data for Material
13	Table	PRE03	Structure: Material - Preliminary Step
14	Table	RMMW1	Material Master Maintenance: Initial Parameters (Retail)
15	Table	RV13A	Input/Output Fields for Price Element Maintenance
16	Table	SCREEN	Structure Description for the System Data Object SCREEN
17	Table	T130F	Field attributes
18	Table	T685	Conditions: Types
19	Table	TWLF	Sales Price Calculation: List Fields
20	Table	TWLFE	Sales price calculation: schema/list field
21	Table	VAKE	Sample Structure for the Variable Key
22	Table	VAKEKOND	Structure from VAKE and condition record
23	Table	WMGWCOPYRULE	Copy Rules for Matrix Maintenance - Material Master