[{"pricing":[{"name":"name1","value":"v1","next":[{"name":"name2","value":"v2","next":[{"name":"name3","value":"v3","next":[]}]}]},]},{"pricing":[{"name":"name1","value":"v1","next":[{"name":"name2","value":"v2","next":[{"name":"name31","value":"v4","next":[]}]}]},]}]

db.collection.find({"pricing.next.next.name":"name3",},{"pricing.next.next.name":1})