Remove duplicates according to a specific key

Questions
1

Hi all,

Brand new to n8n so that I apologize if my question is a little … Stupid ! OK, What i’m trying to do, is to remove duplicate key over my items list (this key is named SKU), ank keep the item which owns the highest “level” value. For instance over image above, I need to keep green highlighted node, and remove the red one.

image
image1920×1032 95.2 KB

I’ve tried with the “remove duplicate” nodes and via a code also, but I’ve not achieve my goal … I do not find any solution or beginning one over the net.

May somebody can help me, by giving me some ideas to explore ?

Best,

JC

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