Deconstructs an array field from the input documents to output a document for each element. Each output document is the input document with the value of the array field replaced by the element. MongoDB Documentation: https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/#pipe._S_unwind
See Implementation
Deconstructs an array field from the input documents to output a document for each element. Each output document is the input document with the value of the array field replaced by the element. MongoDB Documentation: https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/#pipe._S_unwind