SAP ABAP Table/Structure Field AV03R - VBELN (AV03R) is used by

• Class (2)
• Function Module (3)
• Program (21)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	SD_BACKLOG_CHECK	Check availability of existing orders	VZ	APPL	SAP_APPL
2	Function Module	SD_BACKORDER_CHECK_AND_SAVE	Check availability for existing orders with save	VZ	APPL	SAP_APPL
3	Function Module	SD_SALES_DOCU_MAINTAIN	Bearbeiten eines Vertriebsbeleges	VA	APPL	SAP_APPL