SAP ABAP Table GRFN_S_PLAN_SELECTION_DROPDOWN (Plan activity structure) is used by

• Class (2)
• Table (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_GRFN_PLANNER_COMMON_WD Method: GET_SP_WD_NAME	Planner GAF ui class	GRFN_PLANNER	GRFD_MAIN	GRCFND_A
2	Class	CL_GRFN_PLANNER_GAF_WD Method: GET_REVIEW_INFO	Planner GAF ui class	GRFN_PLANNER	GRFD_MAIN	GRCFND_A