Ember address lookup snippet

gistfile1.txt

// in app/controllers/application.js
import Ember from 'ember';

export default Ember.Controller.extend({
  queryParams: ['address'],
  address: null
});

// in app/controllers/index.js
import Ember from 'ember';

export default Ember.Controller.extend({
  needs: 'application',
  address: Ember.computed.alias('controllers.application.address')
});