in-app extension – SAP EWM Help https://www.sapewmhelp.com SAP EWM questions answered by experts — ABAP, S/4HANA, warehouse management Thu, 07 Aug 2025 08:20:09 +0000 en-US hourly 1 https://wordpress.org/?v=7.1 In-App Extension in SAP https://www.sapewmhelp.com/question/in-app-extension-in-sap/ https://www.sapewmhelp.com/question/in-app-extension-in-sap/#respond Thu, 07 Aug 2025 08:18:51 +0000 https://www.sapewmhelp.com/?question=in-app-extension-in-sap In-App Extension involves customizing or extending SAP standard applications within the SAP core system itself (e.g., within SAP S/4HANA).

Where it runs:

  • Inside the same SAP S/4HANA system
  • Uses SAP tools like Key User Extensibility tools, ABAP in Eclipse, or Fiori App Customization

Typical Use Cases:

  • Adding fields to an existing app
  • Creating custom logic using BAdIs or user exits
  • Modifying UIs using SAP Web IDE or SAP BAS
  • Enhancing CDS views
  • Adding validations or business logic via extension points

Pros:

  • Tight integration with core processes
  • No need for middleware
  • Real-time access to SAP data
  • Simpler for smaller extensions

Cons:

  • Might impact system upgrades
  • Limited by the extensibility options SAP provides
  • Less flexibility for building completely new applications
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