Parent Controller w/ Query-Parm

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.invite.js

import Ember from 'ember';

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

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('invite', { path: '/invite', resetNamespace: true }, function() {
    this.route('verify', { path: '/verify' });
    this.route('activate', { path: '/activate' });
  });
});

export default Router;

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  beforeModel() {
    this.transitionTo('invite.verify', { queryParams: { key: '24D3AC5674' } });
  }
});

routes.invite.activate.js

import Ember from 'ember';

export default Ember.Route.extend({
  controllerName: 'invite'
});

routes.invite.verify.js

import Ember from 'ember';

export default Ember.Route.extend({
  controllerName: 'invite'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.invite.verify.hbs

Your invite ({{key}}) is valid. Click here to {{#link-to "invite.activate"}}activate it{{/link-to}}.

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "beta",
    "ember-data": "2.9.0",
    "ember-template-compiler": "beta",
    "ember-testing": "beta"
  },
  "addons": {}
}