Topic: User-defined functions
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This article describes how to define optional parameters in DAX user-defined functions and set default values for parameters not specified by the caller. Read more
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This article describes the parameter types available in DAX user-defined functions, focusing on the specialized reference types MEASUREREF, COLUMNREF, TABLEREF, and CALENDARREF. Read more
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This article describes the different roles of user-defined functions and calculation groups, explaining when to use either, and how they complement each other in the design of a semantic model. Read more
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This article offers a comprehensive guide to changing the like-for-like pattern into model-independent functions to enhance flexibility and simplify DAX code. Read more
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This article explains the distinction between model-dependent and model-independent DAX user-defined functions, highlighting how dependencies impact portability and maintenance, and provides guidance on avoiding hidden dependencies and adopting proper naming conventions. Read more
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User-defined functions are a new and exciting feature in DAX. In this article, we outline the key concepts to understand before using them in Power BI projects. Read more