The user creates a schema that has this schema object named userSchema.

This name should depend on the schema name that the user enters.
For example
$ msc
? Please input Schema name auth
...
This should generate a schema which has this schema object named authSchema
const authSchema = new Schema({
timestamps: { createdAt: "created_at", updatedAt: "updated_at" }
});
module.exports = authSchema;
The user creates a schema that has this schema object named

userSchema.This name should depend on the schema name that the user enters.
For example
This should generate a schema which has this schema object named
authSchema