Thanks! This solved my issue. That example project certainly helped.

Ok, will do. Just so I am certain, I should follow the steps here, correct ?

I'm not familiar with a signalChange function. I did try to signalEnumerator for the .workingSet and marked the items as updated. No luck though.

FB13808540

Wonderful answer. I tested this out and it populates 'syncable' xattrs. Thank you.