SAP ABAP TYPE MATRX (MATRX) is using

• Table/Structure Field (2)
• Table (1)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	MTRX_MSEL - CUOBJ	Configuration (internal object number)
2	Table/Structure Field	MTRX_MSEL - IDXWT	Index of the invalid record