how to change ARKit Face Subj for LiveLink using blueprint or code?

Development Programming & Scripting
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1

How can I change ARKit Face Subj (ARKitFaceSubj) for LiveLink using blueprint or code? Eg change from iPhone to Audio2Face, etc. Not quite catching the right API/component to do this. Thanks for any help!

2

I see a LiveLinkSetup where I can set the SubjectName but still not quite getting how to set it in blueprint so that it gets picked up/refreshed.