PO_PURORDERPREQ_SEND

Hi All

Following is PO collaboration Scenario:

Customer send PO to SNC.

Supplier confirms PO but changes the qty or delivery date in confirmation.

Supplier publishes PO and it goes for manual approval.

Customer logs in and approve the PO confirmation and update the request schedule line. RON_Out XML triggers and updates the ECC PO

Change PO Idoc triggers and it updates the PO in SNC.

Now I want t o trigger XML PurchaseOrderERPRequest_V1 when customer approves the deviation in confirmation and wants to update the ECC PO.

I made validation check POC3: PO_PURORDERPREQ_SEND active  under own settings to trigger the XML PurchaseOrderERPRequest_V1 as per below SAP Help link. But it still generating XML ReplenishmentOrderNotification

http://help.sap.com/saphelp_snc700_ehp02/helpdata/en/19/dac6f0146140ca9415ecb767eafa31/content.htm

May I missing any other configuration required in this case? Please help.