Public API's Needed For Performing ISupplier Portal Actions From Concurrent Program.

REM Doc ID 2193130.1

1. As soon as the change request is submitted, row level validations are done in controller, AMImpl .
Once the validation is successful, change request records are stored in array. Then, it will be passed to PO_CHG_REQUEST_PVT.PROCESS_SUPPLIER_REQUEST.
2. The above API will have some validations and then finally saves the data in po_change_requests table by calling save_request.
3. Finally, POSCHORD workflow will be called . (Main Process).
4. Check for the change details, Notify Requester/Planner if required, then check whether change is within tolerance or not.
Based on the same and few other criteria, check whether Requester approval is required or not.
5. Later, Sends notification to buyer for approval. You can clearly find all the API details in Workflow.
6. Even after buyer accepts the change, the details can be found in workflow - PO_SUP_CHG_REQUEST_WF_GRP.PROCESS_RESPONSE.
Brief details about response flow.

-> PO_ChangeOrderWF_PVT.ProcessResponse
-> PO_CHANGE_RESPONSE_PVT.MoveChangeToPO
-> UPDATE PO_HEADERS_ALL to APPROVED.
-> PO_DOCUMENT_UPDATE_GRP.update_document
-> UPDATE po_change_requests with line_location_id for split shipment
-> PO_DOCUMENT_UPDATE_GRP.launch_po_approval_wf