How to take office 365 username

Hi Friends,
In one my requirement need to take office 365 username to download report from it.
so how we can take office 365 username in uipath.

Like when we use - System.Environment.UserName then we will get system username.
same way what we need to use to get office 365 username ?

Thanks.

I did a google search but not found an article on how to get it. I would like to know how to do it.