Power BI USERPRINCIPALNAME() Explained

In this video, you will learn about the USERPRINCIPALNAME() function in Power BI and how it helps identify the user who is currently viewing a report. USERPRINCIPALNAME() is a DAX function that returns the email address of the logged-in user. This function is commonly used when implementing Row-Level Security in Power BI so that different users can see different data within the same report. Through a simple real-world example, this video explains how a single Power BI report can automatically show different data to different users depending on who opens the report. This concept is very useful for organizations where managers or departments should only see their own data. Topics covered in this video: • What USERPRINCIPALNAME() does in Power BI • How Power BI identifies the logged-in user • How this function is used with Row-Level Security If you are learning Power BI, preparing for interviews, or exploring DAX functions, this video will help you clearly understand this important concept. Subscribe for more Power BI tutorials and concepts explained in a simple way.