SAP ABAP Data Element EXTREFKEY (External Reference Key for Service) is used by

• Table (25)
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#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	ADBOS_SERVCALC - EXTREFKEY	BOS: Service Package with Costing Data	AD_BOS_01	DIMP	ECC-DIMP
2	Table	BAPIESLL - EXTREFKEY	Communication Structure: Service Line	ML	APPL	SAP_APPL
3	Table	BAPIESLLC - EXTREFKEY	Communication Structure: Create Service Line	ML	APPL	SAP_APPL
4	Table	BDIESLL - EXTREFKEY	Transfer Structure for Table ESLL	ME	APPL	SAP_APPL
5	Table	BOSPS_ML_ESLL - EXTREFKEY	BOSPS: ML_ESLL Extension to add costing reference	AD_BOS_03	DIMP	ECC-DIMP
6	Table	BOSPS_REPORTING - EXTREFKEYESL	BOSPS Integration: Reporting Structure	AD_BOS_03	DIMP	ECC-DIMP
7	Table	BSMMESLL - EXTREFKEY	Communication Structure: Create Service Line (MM)	AD_BOS_01	DIMP	ECC-DIMP
8	Table	BSMMESLLC - EXTREFKEY	Communication Structure: Create Service Line	AD_BOS_01	DIMP	ECC-DIMP
9	Table	BSSDESLL - EXTREFKEY	Communication Structure: Create Service Line (SD)	AD_BOS_01	DIMP	ECC-DIMP
10	Table	BSSDESLLC - EXTREFKEY	Communication Structure: Create Service Line	AD_BOS_01	DIMP	ECC-DIMP
11	Table	DIESL1 - EXTREFKEY	Service packages per operation in the task list (1st level)	IPRM	APPL	SAP_APPL
12	Table	DIESL2 - EXTREFKEY	Service packages per operation in the task list (2nd level)	IPRM	APPL	SAP_APPL
13	Table	DIESL3 - EXTREFKEY	Service packages per operation in the task list (3rd level)	IPRM	APPL	SAP_APPL
14	Table	DIESL4 - EXTREFKEY	Service packages per operation in the task list (4th level)	IPRM	APPL	SAP_APPL
15	Table	DIESLL - EXTREFKEY	Service Packages per Operation in Task List	IPRM	APPL	SAP_APPL
16	Table	EAM_S_SPACKAGE_INS - EXTREFKEY	Structure for TL service package insert	EAM_TL_API	EA-PLM	EA-APPL
17	Table	ESLL - EXTREFKEY	Lines of Service Package	ML	APPL	SAP_APPL
18	Table	MERE_OUTTAB3_ME49 - EXTREFKEYES	Output Table: List Displays in Purchasing	ME	APPL	SAP_APPL
19	Table	MLSUBDIV - EXTREFKEY	Ext. Services Management: Outline (Subdivision of Services)	ML	APPL	SAP_APPL
20	Table	MMPUR_PRINT_ML_ESLL - EXTREFKEY	Print Structure for ML_ESLL	MMPUR_PRINT	APPL	SAP_APPL
21	Table	MSUPDAP - EXTREFKEY	Structure: Internal Table for Package Lines	ML	APPL	SAP_APPL
22	Table	SRV_PO_REP - EXTREFKEY	Structure for Lists of SRV Purchase Orders	ML	APPL	SAP_APPL
23	Table	SRV_TAB - EXTREFKEY	Service Specifications	ML	APPL	SAP_APPL
24	Table	UESLL - EXTREFKEY	Change Document Structure; Generated by RSSCD000	ML	APPL	SAP_APPL
25	Table	UESLL_LOCK - EXTREFKEY	Structure ESLL for LOCK Table: Release or Entry	ML	APPL	SAP_APPL