How to update Project DFF on PO change order using SOAP Webservice

Summary:

Hi Team,We have configured this attribute "PJC_USER_DEF_ATTRIBUTE1" (display name: Final Deliver To Location) in project costing descriptive flexfield. But when we try to create change order through SOAP web service, we are unable to pass this attribute. This is not shown in the request payload.

Soap service: https://fa-ewbq-dev1-saasfaprod1.fa.ocs.oraclecloud.com:443/fscmService/PurchaseOrderServiceV2?WSDL

Operation: changePurchaseOrder

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Final deliver to location is the Project DFF