SAP ABAP Table E1MATERIALRESERVATION_CHANG (Header Segment) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	ALE_RESERVATION_CHANGE	BAPI -> IDoc: ALE_RESERVATION_CHANGE	MB	APPL	SAP_APPL
2	Function Module	IDOC_INPUT_MATERIALRESERVATION	IDoc -> BAPI: IDOC_INPUT_MATERIALRESERVATION	MB	APPL	SAP_APPL