How can I rename attribute in Mongo collection?

This code does not work. Is this is the correct way to rename attributes in mongoDB?

				  update: "colletion",
				  updates: [
					    q: {}, u:  { $rename: { "old": "new" } } , multi: true

Hi @Vishal,

Can you provide more information on your question? What liquibase error are you getting? What liqubase command are running to run this change? Also, can you confirm if you are using changesets to run liquibase with MongoDB? Also, Kindly provide us the information on how have you set up Mongo DB with liquibase.