attrs

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  actions:{
    saveMessage(message) {
      console.log("message", message);
    }
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{#my-component save=(action 'saveMessage') as |save|}}
  {{my-component-yielded save=save}}
{{/my-component}}
<br>
<br>

my-component-child.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

my-component-child.template.hbs

<button {{action save "child"}}>Save the child</button>
<button onclick={{action save "native child"}}>Save the child [native element]</button>

my-component-yielded.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

my-component-yielded.template.hbs

<button {{action (action save "yielded")}}>Save the yielded</button>

my-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    alternativeSave() {
      this.get('save')('alternative parent');
    }
  }
});

my-component.template.hbs

<button {{action (action save "parent")}}>Save the parent</button><button {{action 'alternativeSave'}}>Save alternative parent</button>
{{my-component-child save=save}}
{{yield (action save)}}

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}