I assumed I should use my trimble credentials that I created under sketchup, but where I put my email it asks for a username. I don't believe I even have one, but maybe I missed something. Is there a problem here? What am I doing wrong?
Did you try with "Hololens Companion" available in the Trimble Connect mobile app?
Trimble Connect for HoloLens v 3.1.1 - Release Notes - July 2020
Retrieving data ...