
SAP SuccessFactors 2H 2025 Release Overview
3. December 2025
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6. February 2026SAP SuccessFactors is highly configurable, but real flexibility comes from the metadata framework. Those allow organizations to store custom data, model specific HR processes, and extend standard functionality without changing the core system.
If you work with Employee Central or design HR solutions in SAP SuccessFactors, understanding MDF objects is essential.
What Are MDF Objects?
They are a part of the Metadata Framework (MDF) in SAP SuccessFactors. The framework allows you to define custom business objects using configuration instead of custom code.
Metadata defines how information is structured, connected, validated, and used across the system. In SAP SuccessFactors, metadata determines:
- which fields exist and how they behave
- which rules and validations apply
- how objects relate to each other
- how data is exposed to workflows, permissions, and reporting
In other words: metadata is the backbone of every HR process. If metadata is inconsistent or poorly designed, even the best HR strategy breaks down in execution. If it’s clean and well-modeled, SAP SuccessFactors becomes scalable, flexible, and future-proof. MDF Objects are SAP’s way of giving customers and partners exactly that level of control without modifying core code.
An MDF object contains fields, data types, labels, and rules. You define how the object behaves, who can access it, and how it connects to other data. SAP SuccessFactors then stores and manages the data in a consistent way. This approach keeps custom data flexible and safe during system upgrades.

How MDF Objects Work in SAP SuccessFactors
SAP uses MDF objects in many standard features. Position Management, different configuration objects (for example in Time Management), and business rules already rely on MDF. This makes it the official extension model for SAP SuccessFactors.
MDF objects support effective dating. This means you can track changes over time and plan future updates without losing history. This is critical for HR data such as policies, assignments, or classifications. They also support associations. You can link them to other objects or to standard objects like Job Information or Position. These links help you build structured and reliable data models.

How MDF Objects and SAP CAP Work Together
MDF objects often act as the data foundation when organizations build extensions beyond standard SAP SuccessFactors functionality. This is where the SAP Cloud Application Programming Model (CAP) comes into play. CAP provides a structured and upgrade-safe way to develop side-by-side applications on SAP BTP while keeping the SuccessFactors core clean.
In many extension scenarios, MDF objects store HR-relevant master data inside SuccessFactors, while CAP-based applications consume, enrich, or process that data externally. A practical example is Clarity Scheduling. The solution builds on MDF objects to manage structured scheduling data in SuccessFactors and uses SAP CAP to implement advanced logic, integrations, and user interfaces that go beyond standard configuration. This combination allows organizations to extend their HR processes without duplicating data or compromising system stability.
Usage in the User Interface
Most MDFs are generic objects. This means you can show them in the SAP SuccessFactors UI without custom development. You can display them as portlets, tabs, or sections in Employee Central.
Users work with MDF-based data in the same way they work with standard data. This improves usability and reduces training effort.
Why MDF Objects Are Useful
They follow SAP’s supported design. System updates do not overwrite them. This makes them upgrade-safe and future-proof. They also use built-in platform features such as role-based permissions, workflows, localization, and audit logs. This reduces technical effort and supports compliance. Many companies use MDF objects to replace spreadsheets or side systems. This keeps HR data in one place and improves data quality.
Typical Use Cases
Teams often use MDF objects for custom approval rules, country-specific HR data, internal classifications, or project assignments. They also support extensions for time, payroll, or reporting scenarios. For complex requirements, they often act as the data layer for extensions on SAP BTP.
What to Consider Before Creating MDF Objects
Do not create MDF objects without a clear design. Use clear names, simple structures, and proper documentation. Always check if standard configuration already meets the requirement. Poor design increases reporting effort and maintenance work. Good design simplifies processes and scales with your system.
Why MDF Objects Matter for Long-Term Success
MDF objects are not just technical tools. They enable flexible, stable, and scalable HR solutions in SAP SuccessFactors. If you want to adapt your HR system without adding complexity, they are a core capability you must understand and use correctly.
MDF Objects are powerful, but only when they are designed with a clear process and data strategy in mind. Without that foundation, object modeling quickly becomes a source of unnecessary complexity, performance issues, and ongoing maintenance effort.
At Clarity Solutions, we support organizations in designing clean and scalable MDF data models that fit their real HR processes. We help align MDF Objects with business requirements, extend SAP SuccessFactors in a structured way, and avoid technical debt that limits flexibility later on. The goal is not short-term customization, but a system setup that remains stable, maintainable, and ready for future releases and business growth.
If you want to check whether your MDF design is future-proof, let’s connect. We’re happy to review your use case and show how MDF can support your HR strategy instead of holding it back.



