Change Family Parameters instead of Type Parameters

Revit
1

I’m stuck whit this.
I´m trying the Antony_Mcphee´script but I get an error. I want to change Family Parameters instead of Type Parameters. I’m missing something. Can you help me with this!!! Thanks

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2

Your List.AllIndicesOf node isn’t returning any indices… you’re sending nulls through the rest of your script.

3

List.AllIndicesOf it’s not working with Family Parameters and I don’t know why?
May by beacause i’ts only works with Instance Parameters

4

I don’t think it’s that. Your GetParameterValueByName node is returning blanks. Most likely there isn’t a parameter with that name, or the parameter is a Type parameter.

If you’re trying to modify Type parameters I think it’s easiest to use the Family Type instead of Family Instance. You can use the Get and SetParameter nodes with Family Types for Type parameters.

EDIT: Here’s an image for clarification

5

Im still having trouble getting Element Parametrer instead of Type Parameter. I think I’m looking for a node
like “Type.GetParameterValueVyName” intead of "Element.GetParameterValueByName"
Thanks Nick_Bpyts but your example use an Element Parameter “Light Length” not a Type Parameter .
I’m still trying