SAP ABAP Table THEADVB (Reference Structure for XTHEAD) is used by

• Class (14)
• Function Module (115)
• Program (205)
• Table (1)
• TTYP (4)
• TYPE (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	/SPE/CL_ID_HANDLING Method: SELECT_ADD_ID_DATA	ID handling with dispatching and filtering	/SPE/ID_HANDLING	APPL	SAP_APPL
2	Class	CL_CRM_SD_BILLING_ADAPTER Method: HANDLE_CANCELLATION	Post CRM billing documents to SD	CRM	PI_APPL	SAP_APPL
3	Class	CL_CRM_SD_BILLING_ADAPTER Method: CREATE_SD_INVOICES	Post CRM billing documents to SD	CRM	PI_APPL	SAP_APPL
4	Class	CL_IFW_FORECAST_SINGLE Method: IF_IFW_FORECAST_SINGLE~SIMULATE_INVOICE	Class for BAdI Impl.: IFW_FORECAST_SD_BILLING_DOC	CIWB	APPL	SAP_APPL
5	Class	CL_LORD_TEXT Method: CHECK_STORAGE	Lean Order Object Text	ERP_SALES_LORD	APPL	SAP_APPL
6	Class	CL_MEV_SD_ACCESS Method: IF_MEV_SD_ACCESS~SD_BILLDOC_ITEMS_PRICE_REBUILD	Period-end valuation: Access to SD functions	LOG_CMM_MEV_APPL_SD	APPL	SAP_APPL
7	Class	CL_MEV_SD_ACCESS Method: IF_MEV_SD_ACCESS~GN_INVOICE_CREATE	Period-end valuation: Access to SD functions	LOG_CMM_MEV_APPL_SD	APPL	SAP_APPL
8	Class	CL_MEV_SD_ACCESS Method: IF_MEV_SD_ACCESS~RV_INVOICE_REFRESH	Period-end valuation: Access to SD functions	LOG_CMM_MEV_APPL_SD	APPL	SAP_APPL
9	Class	CL_MEV_SD_ACCESS Method: IF_MEV_SD_ACCESS~SD_INVOICE_RELEASE_TO_ACCOUNT	Period-end valuation: Access to SD functions	LOG_CMM_MEV_APPL_SD	APPL	SAP_APPL
10	Class	CL_MSR_RRD_DATA Method: CREATE_CM	Data Provider Class for FDM	MSR_REFUND	APPL	SAP_APPL
11	Class	CL_O2C_POWL_BIL_DUE_LIST Method: BILLING_COLLECTIVE	Billing Due List	ERP_SALES_O2C_BIL	APPL	SAP_APPL
12	Class	CL_SD_ODATA_BIL_API Method: CREATE_INVOICE	API class for Invoice not Transferred	ERP_SD_ODATA_BIL	APPL	SAP_APPL
13	Class	CL_SD_ODATA_BIL_API Method: RELEASE_TO_ACCOUNTING	API class for Invoice not Transferred	ERP_SD_ODATA_BIL	APPL	SAP_APPL
14	Class	CL_WE_ORDERTOBILL_POWL_DMR	Feederclass for POWL OrderToBill DMR	PSAWE_WE_BL_POWL	EA-SAWE	EA-APPL