How to group an array by one item?

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Hi @Lucas_Vargas, welcome to the community :tada:

This is something you can do using the Set + Item Lists nodes in n8n. Assuming you want to have one field order_number and an array field Data containing all the items for each order number, the workflow could look like so:

This is the result:

image
image1249×868 87.3 KB

Hope this helps :slight_smile:

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