Multi selection

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  options: [
    {id: 1, name: 'Option 1'}, 
    {id: 2, name: 'Option 2'}, 
    {id: 3, name: 'Option 3'}, 
    {id: 4, name: 'Option 4'}, 
    {id: 5, name: 'Option 5'}, 
    {id: 6, name: 'Option 6'}, 
  ],
  selected: [],
  actions: {
    updateSelections(options) {
      this.set('selected', options)
    }
  }
});

templates.application.hbs

{{#power-select-multiple
  options=options
  selected=selected
  onchange=(action "updateSelections") as |option|}}
  {{log option}}
  {{option.name}}
{{/power-select-multiple}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-power-select": "1.7.2"
  }
}