Where Used List (Class) for SAP ABAP Data Element FORMKEY (Application form)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component

1	Class	/SAPPO/CL_NF_FACADE	PPO: Facade for Notifications	/SAPPO/NOTIF	ABA	SAP_ABA
2	Class	/SAPPO/CL_NF_FACADE	PPO: Facade for Notifications	/SAPPO/NOTIF	ABA	SAP_ABA
3	Class	CACSCS_CL_CORR_SEND	ICM-Specific Correspondence Requirement	CACSOBS	EA-ICM	EA-APPL
4	Class	CL_EFG_APPLICATION_FORM_GC `Method: /GC1/IF_CO_GENERATING_OBJECT~DISPLAY`	Callback Class for Garbage Collector	EEPW	ABA	SAP_ABA
5	Class	CL_FKK_CORR_DISPLAY_HISTORY	Display Correspondence History	FKKCORR	ABA	SAP_ABA
6	Class	CL_FKK_CORR_DISPLAY_HISTORY	Display Correspondence History	FKKCORR	ABA	SAP_ABA
7	Class	CL_FKK_CORR_EVENT_CREATE_DFLT `Method: FORMKEY_DETERMINATION`	Events of Generating (Default Implementation)	FKKCORR	ABA	SAP_ABA
8	Class	CL_FKK_CORR_EVENT_CREATE_PATT `Method: FORMKEY_DETERMINATION`	Events for Generating (Template for Inheritance)	FKKCORR	ABA	SAP_ABA
9	Class	CL_HRPIQ00CORRFCADDPAR_SERVICE	Service Methods for Additional Parameters	PMIQ	IS-PS-CA	IS-PS-CA
10	Class	CL_HRPIQ00CORRTOOLS	Tools/Utility Methods for Correspondence	PMIQ	IS-PS-CA	IS-PS-CA
11	Class	CL_IM_CM00 `Method: IF_EX_HRPIQ00CORR_MASSACTV~CONT_CREATE`	Imp.Classe for BAdI Imp. CM00	PMIQ	IS-PS-CA	IS-PS-CA
12	Class	CL_IM_CM01 `Method: IF_EX_HRPIQ00CORR_MASSACTV~CONT_CREATE`	Imp. Class for BAdI Imp. CM01	PMIQ	IS-PS-CA	IS-PS-CA
13	Class	CX_LSO_CRP_OUTPUT_EXCEPTION	Output Component Exception	LSO_CORRESPOND_ERP_OUTPUT	LSO	EA-HRGXX