$jsonSchema validation

db.createCollection("publishers", {
    validator: {
        $jsonSchema: {
            bsonType: "object",
            required: [ "name", "email_address", "status", "created_at" ],
            properties: {
                name: {
                  bsonType: "string",
                  description: "must be a string and is required",
                },
                email_address: {
                  bsonType: "string",
                  description: "must be a string and is required",
                },
                status: {
                  enum: [ 1, 0 ],
                  description: "must be either 0 or 1 and is required"
                },
                created_at: {
                  bsonType: "int",
                  description: "must be an integer and is required",
                }
            }
        }
    }
})