Is there a variable available which holds the the logged in user's name?

Discussion created by karthikeayan_9058 on Dec 18, 2017
Latest reply on Dec 19, 2017 by Wolfgang_Brueckler_1288
I have a requirement of writing the username of logged in user to Automic some files as part of my workflow. 

Is there a pre-defined variable which holds the value of the user's name in it?