How to get uniqueLineId for an AP Invoice Line End Point to create its DFF.
We are creating AP Invoice Header, Lines and its DFF through OIC using Fusion Rest Adapter.
We created Invoice Header in OIC and get Invoice Id from Its Response Payload and pass it to Invoice Line End point to create its Invoice Line.
Now to create Invoice Line DFF we require Invoice Id and Invoice Line Number Hash Key to pass its DFF End Point.
My Question is how to get this Hash Key for a Specific Invoice Id and Line Number: