Demo - RSVP hash Access

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions:{
  save(){
  	console.log(' cont save');
  	return true;
  }
}
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){    
    //return {'newBook':{one:1},'authors':{two:2}};
    return Ember.RSVP.hash({'newBook':{one:1},'authors':{two:2}});
	},
  actions:{
    save(){
      console.log(' route save ',this.modelFor(this.routeName).newBook);
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<button {{action "save" }}> Test </button>
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}