Nav Find Property Function

The 6.5.2 documentation lists the function $rx.nav.findProperty(node,propertyname) which should search up the navigation hierarchy to find a node with the specified property. I can’t get it to work and it would be very helpful if I could. Can you see what I am doing wrong:

I want to start the search from the root:


I tried starting the search from the current parent node but I think the searches always start from the root and end on the current node:


Thanks for your help!

Can anybody please point me in the right direction.