Comparing two elements based on parameters

[hle]

I am trying to retrieve elements from Revit if a parameter in one element matches the parameter in another element, however the “==” node is only filtering for the 2nd item instead of all of them. Is there another node or method that I should be trying to accomplish this goal? any suggestions would be greatly appreciated, attached below is what I currently have

[Kulkul]

Hi @hle

Use List.Contains node instead:

[hle]

Thanks for the response it worked!