How do you add stereoscopic 3d meta tags to YouTube on OBS?

Yes I was wondering I noticed there's a DVR tag there's a VR tag and there's one other tag but there's no 3D tag on OBS for Macintosh when broadcasting on YouTube.

Currently the format I broadcast in is 2560 by 720 as a 32x9 side-by-side proper ratio video. Should I alter my broadcast so that the 3D tag could come up?

Also if I do signify to YouTube that it's 3D, will 2D viewers be able to see either just the left eye or just the right eye or a monochromized red and cyan version?

I don't know how you add tags to an OBS broadcast on YouTube. I figured, there probably was a way I got to do that there, but I don't know how to get there.
 
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