Can you make mongoose Schema autofill on start?

Hello, I have a mongoose Schema but when I start the application, it creates the collection out of it in a database but it is empty. Is there a way to make it fill the document with the coded fields right on start and leave them blank?

Is there a way to make it fill the document with the coded fields right on start and leave them blank?

Could you explain further? Remember this is all JS so practically the same thinking framework is applied. Also, what you describe sounds what a Model is in Mongoose.