Custom node not loaded although the package is installed

Hi all,

I am trying to write my very first script in Dynamo and it seems I can’t get Document.BackgroundOpen and Document.Close nodes defined. Please look at screenshots. I have installed Rhythm package and I am trying to develop my code in Dynamo Studio v1.1.0.2093


That doesn’t look like a standard ‘not loaded’ error.

I think it is trying to tell you that you need to be using Dynamo as a Revit plugin to use that node, as it uses the Revit API.

What is the warning message say?

Thanks for the reply Jacob. You were right. The script needed Revit in order to recognize those two nodes.

Nonetheless, the code is not doing what I wanted :frowning:
Would you mind having a quick look at my code? I am trying to add two parameters to bunch of families.

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