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README.md

Configure Your SAP S/4HANA System

Introduction

To be able to access data in SAP BTP application from SAP S/4HANA system, you will activate the OData endpoint in your system. Next you will create yourself a user in SAP S/4HANA and assign the needed authorization to allow the usage of your created OData endpoint.

Activate OData Service in SAP S/4HANA On-Premise Backend System

First, we need to activate the OData endpoint in SAP S/4HANA on-premise system, so it is accessible from SAP BTP application.

Open your SAP S/4HANA on-premise system.
Navigate to transaction code: /N/IWFND/MAINT_SERVICE.
Choose Add Service in the Service Catalog.
Enter System Alias 'LOCAL', External Service Name 'API_BUSINESS_PARTNER' and hit Enter to search for all matching services.
Choose the checkbox to select service and choose Add Selected Services.
On the next screen, specify Package Assignment, for example, $TMP by choosing Local Object.
Check checkbox for Enable OAuth for Service and choose Continue.

Create Technical User and Assign Role

Now, we are going to create a user in our SAP S/4HANA backend system and assign the required authorizations.

Go back to your initial screen and navigate to transaction code: /NSU01
Enter your Technical User in the field User.
Choose Create.
Switch to the Address Tab and add the corresponding last name to the lastname field.
In tab Logon Data change User Type to Dialog.
Create a new Password for your User and repeat it to verify. Choose Save.
Navigate to transaction code: /nPFCG
Enter RiskTech in the Role field, then choose Single Role.
On the next screen enter a description first, then switch to the Menu tab and choose Save in the pop-up window.
Choose Transaction on the menu tab to enter a new Transaction.
Enter the transaction code for which you need to provide access in the pop-up window. In our case enter BP.
Choose Assign Transactions to finish.
Select Authorization Default from the Transaction dropdown in the menu tab.
In the pop-up window, select SAP Gateway: Service Groups Metadata as Authorization Default from the dropdown menu
Enter the name of active Business Partner API - you can look this up using the menu - into to the table and choose Copy.
Switch to the Authorizations tab and choose Change Authorization Data.
Don´t forget to Save the role first.
Navigate to Edit → Insert Authorizations → From template.
Search for /IWFND/RT_GW_USER in the pop-up window and select the checkmark to apply the template.
Now choose Status, then generate with clicking the circle icon on the top and Save the profile in the pop-up.
Go back and switch to the User tab and select your technical user in the table. Save the profile, choose User Comparison, and choose full comparisons in the pop-up.

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Log off from the admin user system by entering the transaction /nEX.
Log on to the GUI using your newly created Technical User.