New Twiddle

components.test-component.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

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

controllers.dashboard.js

import Ember from 'ember';

export default Ember.Controller.extend({
obj: {value:'aji'},
  actions:{
	check(){
    //alert("hi");
  this.send("change",this.obj);
  }
}
});

router.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('dashboard');
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions: {
  	change(obj) {
     

      this.get('controller').setProperties({obj});
      this.set('controller.value','kan');
      console.log(this.get('controller'));
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.components.test-component.hbs

{{appName}}

templates.dashboard.hbs

<h1 {{action "check"}}> {{obj.value}}</h1>

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"
  }
}