How to get one document in mongodb? #mongoShell Source: https://www.udemy.com/mongodb-the-complete-developers-guide/learn/v4/t/lecture/11739212?start=165 https://docs.mongodb.com/manual/reference/method/db.collection.find/
db.collectionName.find({ key:value })
// Example:
db.usersToSendEmail.find({_id: ObjectId("5c405972f3d33522c6242d31")})