tourpackage.js

var mongoose = require('mongoose'), Schema = mongoose.Schema
mongoose.connect('mongodb://localhost/tour');
  
var tourActivitySchema = Schema({
  title    : String
});

var tourPackageSchema = Schema({
  _id     : Number,
  name    : String,
  activities : [tourActivitySchema]
});

var TourPackage  = mongoose.model('tourpackage', tourPackageSchema);
var TourActivity = mongoose.model('touractivity', tourActivitySchema);

var a1 = new  TourActivity();
a1.title = "Skydiving";

var t1 = new TourPackage();
t1._id = 1;
t1.name = "5D4N Melbourne Tour"
t1.activities = [a1];

// t1.save(function(err) {
// 		if (err) throw err;
// 		console.log('Tour saved!');
// 	});


var results = TourPackage.find({"_id":1},function(err,data)
{
	console.log(data);
	console.log(data[0].activities);
}
);