The following end-to-end (E2E) process diagram outlines a finance use case for handling invoice inquiries, designed to streamline interactions with suppliers and enhance operational efficiency.

Once the integration between ESM and S/4HANA has been configured it is possible to execute an end-to-end finance process. In the context of an invoice inquiry the following five stages will take place. An example supplier query scenario will be explained in this lesson.
Process Initiation
Supplier sends an email to a dedicated email address with the invoices as attachments. Agents can also manually initiate the request by filling a case creation form on behalf of the supplier.
Information Gathering
The agent working on this case reviews supplier information, company code & issue description. The case is then categorized and prioritized as needed.
Entity Extraction & Document Extraction
Invoice numbers are automatically extracted from the subject, description and/or attachments provided. A confidence level is provided for the same.
Accessing ERP Data
Corresponding documents from SAP S/4HANA are automatically identified and attached to the case. The agent can view information for the invoices such as net due date, payment terms and blocking reason within SAP ESM. The invoice can also be opened in SAP S/4HANA if additional details are needed.
Case Resolution
Based on the information, a reply is provided to the supplier. Resolution details can be added to the notes section in the case. The agent marks the case as completed.