Insert documents into MongoDB collection you can use  two methods in the MongoDB shell or in your application.

  1. insertOne()
  2. insertMany()

1. insertOne()-

You used insertOne() to insert a single document into a collection.
Example-

db.Collection_name.insertOne({ name: "Tutorials On Web", age: 20, email: "info@tutorialsonweb.com" })

Replace Collection_name By actual collection name

2. insertMany()-

You used insertMany() to insert a multiple document into a collection.

db.Collection_name.insertMany([
  { name: "Tutorials On Web", age: 25, email: "info@tutorialsonweb.com" },
  { name: "Tutorials On Web 1", age: 30, email: "hello@tutorialsonweb.com" }
])

Replace Collection_name By actual collection name