From what I try, this is impossible, but ma by some one find easy way to get around of this problem.
What I wish to do, is Family with single extrusion build on family profile, there would be a lots of profiles loaded to a family. For each family type I could use FamilyParameter to chose from loaded profile.
I can't bind extrusion parameter with Familyparameter, so for now it is impossible.
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do not worry it only gonna take Autodesk 5 years to fix bug
