SAP ABAP Table IWB4CHKF (ASAP: File Name of Last Checkout) is used by

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	SA_KW_RFC_DOC_CHECKIN	Dokumentsperre -> LOIOs entsperren	SOLAR_DOC	BASIS	SAP_BASIS
2	Function Module	SA_KW_RFC_DOC_CHECKOUT	Dokumentsperre -> LOIOs sperren	SOLAR_DOC	BASIS	SAP_BASIS
3	Function Module	SA_KW_RFC_DOC_CHECKOUT_CANCEL	Dokumentsperre -> LOIOs sperren	SOLAR_DOC	BASIS	SAP_BASIS