Please help. How to change the Analytical Alignment

Revit
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1

I can’t figure out how to change “Top y Projection” parameter in dynamo or API. Could someone please show how I would go about doing it?

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Here is where the graph is giving me an error

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image.jpg912×184 87.6 KB

The warning is “The Parameters storage type is not a number”, (it’s not a string either, I tried already)

For reference, the final goal of this script is to set all analytical columns in model alignment to “Center of Element”

I really appreciate all the help I can get.

2

Try manually setting the parameter to something and then use GetParameterValueByName to see what it is - my gut feeling from looking at the API is that it is looking for ElementIDs

http://www.revitapidocs.com/2018.1/2431d8d4-ad3f-7049-3a92-bf816970b77e.htm

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