USERNAME
Applies to:
Calculated column
Calculated table
Measure
Visual calculation
Returns the domain name and username from the credentials given to the system at connection time.
USERNAME()
This expression has no parameters.
The username from the credentials given to the system at connection time
The following formula verifies if the user login is part of the UsersTable.
= IF(CONTAINS(UsersTable,UsersTable[login], USERNAME()), "Allowed", BLANK())