Business logic behind 2lis_12_vahdr ,itm and sch

Hello friends,
Could u help me in explaining the business logic behing the extractors 2lis_12_vahdr,VAitm,VASCH for deliveries?
Also why we use process keys and where do we use process key??
Thanks in advance
srini

Hi Srinivas!!!
The logic is like this.
When an order is made, it will have order number, line item number and schedule line item number. The order number is the header data and all information related to the header data is stored in 2LIS_11_VAHDR. Each order may have different line item, (different material may be ordered) that is stored in 2LIS_11_VAITM. Each Line item may be need to be delivered at different time because the users requested or may be there was no enough material in the store, this is stored in 2LIS_11_VASCL.
When delivery (2LIS_12_VDITM)gets created, it will abide by the schedule line agreement.
that is the logic.
thanks.
Wond

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