How to use lookup in mongodb lib

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1

How to use lookup in mongodb-driver

2

found it

cursor = Mongo.aggregate(:mongo, "sales_dtl", [%{"$lookup" => %{"from" => "target_dtl", "localField" => "Finyr", "foreignField" => "Finyr", "as" => "fFinyr"}}], limit: 1)
cursor |> Enum.to_list