CODE EXAMPLE FOR JAVASCRIPT

how to connect two model in mongoose

const mongoose = require('mongoose');
const passportLocalMongoose = require('passport-local-mongoose');


var UserSchema = new mongoose.Schema({
    username: String,
    password: String,
    repassword: String,
    email: String

})

UserSchema.plugin(passportLocalMongoose);

module.exports = mongoose.model("User", UserSchema);