advanced-combo-box

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  selectedItems: null,
  valueList: [
    { name: 'joe', age: 24},
    { name: 'john', age: 30},
    { name: 'steve', age: 44}
  ],
  actions: {
    onSelected(items){
      this.set('selectedItems', items.map(JSON.stringify));
    }
  }
});

templates.application.hbs

{{combo-box  
  valueList=valueList
  itemKey='name'
  itemLabel='name'
  multiselect=true
  canFilter=true
  onSelected=(action 'onSelected')
}}

<p>
Selected:
{{selectedItems}}
</p>

<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2",
    "ember-advanced-combobox": "2.5.2"
  }
}