User Extensibility App

The User Extensibility App in SAP S/4HANA allows users to enhance and personalize their system without modifying the core code. It provides a low-code/no-code approach to creating custom fields, logic, and business rules while ensuring system stability and compatibility with SAP updates.

Key Features of User Extensibility in SAP S/4HANA

1. Custom Fields and Logic

   • Add custom fields to standard SAP objects.
   • Use the Custom Fields and Logic (CFL) app to include fields in UI, reports, APIs, and CDS views.
   • Extend standard logic using Business Add-Ins (BAdIs) with cloud-based implementations.

2. Custom Business Objects

   • Create and manage custom business objects without modifying the core.
   • Define relationships, UI views, and business logic using the Custom Business Objects app.

3. Custom Business Logic

   • Implement logic enhancements via ABAP Restful Application Programming Model (RAP) or Key User Extensibility tools.
   • Modify workflows, calculations, and validations through Custom Logic app.

4. Custom Forms and Email Templates

   • Customize output forms using Adobe Forms or Smart Forms.
   • Modify email templates for notifications and approvals.

5. Extensibility via SAP Fiori UI

   • Enhance Fiori applications using SAP Fiori App Extensions.
   • Personalize UI layouts and add new sections without technical changes.

6. Side-by-Side Extensibility with SAP BTP

   • Develop standalone applications using SAP Business Technology Platform (BTP).
   • Integrate custom applications with SAP S/4HANA through APIs.

When to Use User Extensibility

• Adding additional fields to existing SAP applications.
• Enhancing business logic without modifying SAP standard code.
• Creating lightweight business objects and workflows.
• Modifying UI elements of standard SAP Fiori apps.

Would you like specific guidance on using the Custom Fields and Logic app or