How can I get the Structural material thickness and write the value on Mark Mark parameter via dynamo

walls_compoundlayers_01
Hello all,
I’m trying to get the thickness of all walls structural material and write it on New parameter but it didn’t work if I have different thickness can any one help me ?

Thank in advance

I tried to use the same script here but it didn’t work

Here you are OOTB and Custom Package node (Geniusloci).

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