Purachsing Order's attachments Collaboration

Dear Experts,

Without using additional components like Collaboration Folders (cFolders), How to do I can find the attahments at header level and at item level in SAP SNC(7.02 SP09) after add attachments to purchase order at header level and at item level in SAP ERP(ECC6.06 SP05) ?

e.g. I add attachments to purchase order at header level in SAP ERP(ECC6.06 SP05). How can I display the attachments in SAP SNC?

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TKS

Andrew Ma