SAP Function WB2_GET_OPEN_VOL_AND_AMOUNT2 - Trading contract: Open quantity calculation

Parameter	Reference	Type	Length	Default	Optional	Text
I_ALV	C	C	0	' '	X
I_BUFREF	C	C	0	' '	X
I_BUSINESS_STEP	WB2_STEP	C	4			Master Step
I_DOC_NUMBER	VBELN	C	10			Sales and distribution document number
I_DOC_TYPE	WB2_DOC_TYPE	C	2			Document type
I_EKPO	WB2_EKPO_STAB	h	1672		X	Purchasing Document Item
I_GJAHR	GJAHR	N	4		X	Fiscal year
I_ITEM	POSNR	N	6			Item number of the SD document
I_LIPS	WB2_LIPS_STAB	h	1888		X	Delivery Items
I_PRE_STEP	WB2_PRE_STEP	C	4			Previous Step of Business Process
I_READ_DB	C	C	0	' '	X
I_SUB_ITEM	POSNR	N	6		X	Item number of the SD document
I_TEW_MODE	WB2_MODE	C	4			ode of the steps of a business process
I_TEW_TYPE	WB2_TEW_TYPE	C	4			Trading Execution Workbench Type

Parameter	Reference	Type	Length	Text
E_REF_FIELD	MEINS	C	3	Base unit of measure
E_VALUE	WB2_COMPLETE_QUAN	P	8	Assoc. Mngt: Complete Quantity of an Item

Exception	Text
INTERNAL_ERROR

Functionality
This function module is used internally by function moduleWB2_TRANSFER_OPEN_VOL_TO_TEW.