Build/Rebuild tree with map

Hello. I have a problem. I have data tree of geometry, and data tree of names for this geometry. I have only 2 unic names but it can be more. I need to rebuild my data tree (now it is grouped by elevation) to divide the items into branches by name.

check out this topic - (quite) similar , or even the same - should solve your question:

if you need more help, please post a set of sample data (internalized) in a .gh file.

kind regards -tom

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Oh, thank u. I will definitely look into this topic.