Item Type Expression to get Mesh Corridor Name?

Hi all,

I am trying to assemble an Item type Expression to get the Corridor name of a Corridor Mesh object and using the keyin "ECX ITEMS DUMP" i have put together an expression that I think should be close, but with limited experience with EC Objects i cant find enough information to get it working (if its possible that is).

So far i have this:


Any ideas where i've gone wrong? Attached is my test EC dump file.