SAP ABAP Table/Structure Field MSR_S_DOCUMENT_KEY - EKGRP (MSR_S_DOCUMENT_KEY) is used by

• Class (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_MSR_TRC_SELECT Method: RPO_FOR_TRC_OVERVIEW	Select returns documents from application and tracking data	MSR_TRACKING	APPL	SAP_APPL
2	Class	CL_MSR_TRC_UI Method: FILL_HEAD_OUTTAB	Multistep returns - tracking UI	MSR_TRACKING	APPL	SAP_APPL