22-25 April 2026 
Introducing DAX User-Defined Functions (UDF)
2025TL; DR
A user-defined function is a DAX formula with parameters that can return values or tables. Parameters can be passed by value or by expressions. In this session, you learn how to define and consume user-defined functions in your semantic model.
Session Details
This session introduces the DAX Used-Defined Functions, the new feature announced in 2025!
A user-defined function is a DAX formula with parameters that can return values or tables. Parameters can be passed by value or by expressions. In this session, you learn how to define and consume user-defined functions in your semantic model.
A user-defined function is a DAX formula with parameters that can return values or tables. Parameters can be passed by value or by expressions. In this session, you learn how to define and consume user-defined functions in your semantic model.
3 things you'll get out of this session
- What are user-defined functions
- How to create effective functions
- Understand of functions are executed