New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  options: Ember.computed(function() {
    return [{
  name: 'name1',
  value: 'value1'
}, {
            name: 'name2',
        value: 'value2'
        }];
  }),
selectedItem: null,
actions: {
selected(item) {
console.log(item);
}
}
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{#power-select options=options onchange=(action "selected") as |model|}}
{{model.name}}
{{/power-select}}

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": {
  "ember-power-select": "1.0.0-beta.8"
  }
}