Extract boundaries from hatches in dynamo

Hello! I have an autocad file, with hundreds of hatches. Is it possible to acquire the original boundary of each one in dynamo?
Afterwards I’d like to assign the same layer and return a new hatch with the boundaries extracted.
Thank a lot!

Civil 3D Toolkit

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Have you tried the native HATCHGENERATEBOUNDARY command? I haven’t tried doing anything similar in dynamo yet.

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