How to get MaterialId and set MaterialId using python script in dynamo

[SeanP]

Walls have compound layers so you can’t just set a single material. See if this post gets you headed in the right direction.

Help with 'family type set compound layer material' Dynamo

Hello. I’m very new to this dynamo thing and coding. I’m looking for some help with applying the ‘family type set compound layer material’ from the clockwork package to act over a list of all the wall types in a Revit file. The purpose of this is to develop some standard wall thicknesses with similar properties. I can get the node to function on a single wall (see 1st image), but i have about 300 thicknesses and wish to replicate this over several different types and i don’t fancy F5-ing my …