USERNAME DAX Function (Information)

Returns the domain name and user name of the current connection with the format of domain-name\user-name.

Syntax

USERNAME ( )

This expression has no parameters.

Return values

Scalar A single string value.

The username from the credentials given to the system at connection time.

This function is not supported in calculated tables/columns.

» 3 related functions

Examples

--  USERNAME is the local user name (same as USERPRINCIPALNAME using 
--  Azure AS and Power BI Service)
--  USEROBJECTID is the security identifier in Active Directory and 
--  Azure Active Directory
--  USERPRINCIPALNAME is the user principal name, typically the user 
--  email (it could be different in Active Directory on-premises)
EVALUATE
{
    ( "USERNAME",           USERNAME () ),
    ( "USEROBJECTID",       USEROBJECTID () ),
    ( "USEPRINCIPALNAME",   USERPRINCIPALNAME () )
}

Related functions

Other related functions are:

Last update: Sep 12, 2021   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

Microsoft documentation: https://docs.microsoft.com/en-us/dax/username-function-dax

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Iterator

Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Deprecated

This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.

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