Learn SAP-FIORI-EXTENSIONS with Real Code Examples
Updated Nov 27, 2025
Architecture
Fiori front-end written in SAPUI5
Communicates with backend via OData services
Extensions applied via SAP Extensibility Framework
Backend enhancements on S/4HANA using CDS/ABAP
Deployed through SAP Fiori Launchpad
Rendering Model
SAPUI5 UI layer communicates via OData
CDS views serve as data models
Extension hooks modify functionality
Metadata-driven controls adapt dynamically
FLP handles app integration
Architectural Patterns
MVC with SAPUI5
Metadata-driven extensions
Service-layer redefinition
Event-driven UI modifications
Composable Fiori tile architecture
Real World Architectures
Sales order extension with custom approval
Procurement app showing supplier KPIs
HR timesheet extension with custom logic
Field service mobile offline extensions
Cross-module dashboard extensions
Design Principles
Upgrade-safe extensibility
Minimal modifications to SAP core
Responsiveness and device consistency
Metadata-driven UI
Decoupled frontend-backend architecture
Scalability Guide
Modular extension structure
Optimize CDS and OData queries
Minimize UI controller logic
Use smart controls for large datasets
Monitor backend load for custom services
Migration Guide
Review extension availability in new versions
Update deprecated UI5 APIs
Revalidate OData metadata
Rebuild adaptation projects
Transport updated extension artifacts