Link model graphic override is not showing in 3D view

Revit
,
1

Hi All

I am working on a dynamo script to override the graphics color of the walls of the link models in the master file as per the parameters filtered value.

I am attaching the dynamo graphs and model.

I appreciate any help you can provide.
Master.rvt (6.0 MB)
Override View Color_1.dyn (22.0 KB)