---
description: "Learn more about: USERPRINCIPALNAME"
title: "USERPRINCIPALNAME function (DAX) | Microsoft Docs"
---
# USERPRINCIPALNAME

[!INCLUDE[applies-to-measures-columns-tables-visual-calculations](includes/applies-to-measures-columns-tables-visual-calculations.md)]

Returns the user principal name.
  
## Syntax  
  
```dax
USERPRINCIPALNAME()  
```
  
### Parameters  

This expression has no parameters.
  
## Return value

The userprincipalname at connection time.
