How to remove extended data (property sets)?

I have existing civil3d dwg has more elements with different property sets.
When am doing select similar for all elements nothing coming in extended data except the common property sets.

How can i remove all property sets in used for all elements in one time?
Example.dwg (932.5 KB)


Hi! I’m not sure if I understood what you need exactly, but there is a node in Dynamo that you can use to remove the unwanted property sets from objects.

Also, there’s a node that you can use to add them too, in case you want to replace those you removed for new ones.

As an example, I removed all of the zone 2 and zone 3 property sets and added the zone 1 property set to them.

Just be aware that the information of the properties inside the property set will be lost if you remove it, so you might want to export it or pass it to another property set first.

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yes , Thank you so muck
it’s working fine.

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