gistfile1.js

var mongoose = require('mongoose');

var CompanySchema = new CoreRecord({
	name: String,
	ips: [String]
});

CompanySchema.method 'reports', function(cb){
  mongoose.model('Report').find({companyId: this._id}, cb);
};

exports.Company = CoreScrappy.model('Company',CompanySchema);

usage-iced.coffee

#using ICED COFFEE: http://maxtaco.github.com/coffee-script/

mongoose = require 'mongoose'

# get company 123's reports
await mongoose.model('Company').findById 123, defer err, company
await company.reports, defer err, reports
console.log company
console.log reports

usage.coffee

mongoose = require 'mongoose'

# get company 123's reports
mongoose.model('Company').findById 123, (err, company)->
  company.reports (err, reports)->
    console.log company #closures yay!
    console.log reports

usage.js

var mongoose = require('mongoose');

//get company 123's reports
mongoose.model('Company').findById(123, function(err, company){
  company.reports(function(err, reports){
    console.log(company); //closures yay!
    console.log(reports);
  };
};