I work for a healthcare facility which has several fire and smoke walls throughout.  I've created a library of the custom walls that are commonly used.  Under the property sets for the walls I have created a box where the fire rating can be inputed. 
  
Now, that I have the walls set up and I want to have the doors take on the fire wall properties of the wall they are placed in.  For example, if I place a door in a 3 hour rated fire door I want the door to update its property sets to show that it too is supposed to be a 3 hour rated door.  I have 1 hour, 2 hour, 3 hour, and smoke rated walls and I need my doors to update their properties automatically under the "Extended Data" tab of the properties menu. 
  
Please help!!