TouchID on the Mac when FaceID is called on iOS when using iPhone Mirroring?

When using Apple's Journal app through iPhone Mirroring, the user is allowed to authenticate via TouchID on the Mac instead of requiring you to unlock your phone, authenticate and then re-lock it to access it again in iPhone Mirroring.

Any other app that's using a call to authenticate via FaceID can't do this under iPhone Mirroring. Is there a new API call for this, or is it still a private API for Apple only?

TouchID on the Mac when FaceID is called on iOS when using iPhone Mirroring?
 
 
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