MongoDB $rename

How to change the name of document property in mongoDB ?

Using $rename operator we can rename the document in mongoDB , $rename can be used only in updateOne() and updateMany() method 

{

test : 'something'

}

If I want to change the name of test property of the above document to description 

db.collection.updateOne({},{$rename:{test:"description"}})

Output:

{

description:"something"

}