Parrryy

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Model for bugs';
}

Parrryy

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Checkbox focus test',
  
  actions: {
  	focusInAction() {
      let args = Array.from(arguments)
      let alerts = this.get('alerts');
    	this.set('alerts', alerts + '\nFocused: ' + args.join(', '));

Parrryy

import Ember from 'ember';

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