Components - Sending Actions to Application

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Components - Sending an Action to Application',
  appMessage: '',
  actions: {
    greet(message) {
       this.set('appMessage',  message);
    }
  }
});

application.template.hbs

<h1>{{appName}}</h1>
appMessage: <b>{{appMessage}}</b>
<hr>
{{my-component myAction='greet'}}

my-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ['my-component'],
  componentName: 'my-component',
  myMessage: '',
  actions: {
    sendMessage() {
      this.sendAction('myAction', this.get('myMessage'));
    }
  }
});

my-component.template.hbs

Component Name: <b>{{componentName}}</b>
<hr>
Message to Send to Application: 
{{input value=myMessage}} <br>
<button {{action 'sendMessage'}}>Click to Send Message</button>

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}
.my-component {
  padding: 10px;
  margin: 10px;
  border: 4px solid #ccc;
}

twiddle.json

{
  "version": "0.4.9",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}