3778849 - How To List Attachments Of Posted Supplier Invoices (CDS view, App, or Api)

User wants to list files attached to a posted supplier invoice and asks whether a CDS view, an app, or an API can provide this.

• Product: SAP S/4HANA Cloud Public Edition
• Fiori UI for Invoice Verification (Public Cloud)

1. Try to find a standard CDS view that lists files attached to posted supplier invoices; no suitable CDS/reports are available.
2. From the Supplier Invoices list screen, attempt to see attachments directly; the attachment list is not shown there.

• Attachments are stored in the centralized attachment service and linked to the invoice object.
• A standard programming interface and on-screen viewing inside the invoice are available, but no delivered reporting CDS view exists to list attachments; therefore a CDS-based listing is not available.

There is no standard CDS view that lists supplier-invoice attachments. Use the UI approach or the API for retrieval.

UI Approch:

1. View attachments in the UI:
2. Open Supplier Invoices List and navigate into the posted supplier invoice (or use Display Supplier Invoice - Advanced for read-only).
3. Inside the invoice, open the Services for Object menu.
4. Choose Manage Attachments to display the list of attached files.

Retrieve attachments via API:

1. Use the Attachment Service OData API API_CV_ATTACHMENT_SRV.
2. Call the read operations to count attachments and to fetch attached originals for the specific invoice key (one invoice at a time).
3. Refer to: Attachment Service API (API_CV_ATTACHMENT_SRV).

• Refer to: KBA 3636069 (attachment authorizations / empty-result troubleshooting).
• Refer to: KBA 3683810 (no change history for attachments added/removed on posted invoices).
• Refer to: Attachment Service API (API_CV_ATTACHMENT_SRV).

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