how can I remove node's parameters under a specific folder by Action Button?

[katosa]

Hello 

I would like to know how to access parameters under a folder in a node.

These pictures are what I am trying to do.

In point wrangle node' Action Button', I access to parameters of polyloft node.(first picture)

And what I want to do is to remove lists of parameters under "Points" folder.(second picture)

I could know the name of that folder by exporting polyloft node as python code.(third picture)

But I can remove only the folder itself so far.  (fourth picture)

I hope to know how to get  all parameters under the folder. 

 

Thank you for reading.