Get material details only for selected family type

Hi all,
I am trying to extract or filter material take-off according to family type in Revit using Dynamo. I would like to access both the quantity information (volume) and the material compositions in the selected family (or families).

Any guide would be helpful.
Thanks in advance

Welcome to the Forums, @zCAB. Typically folks will post Thier Graphs and indicate where they are having issues, not just ask for a solution.

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