javascript - ember.js - update template from whatever controller observes -

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i getting started ember.js. want update controller's data based on server request made controller; i.e: mycontroller should update state when indexcontroller has changed property. think have right, i'm not sure how update template based on observed change. here's have 'til now:

<script type="text/x-handlebars" data-template-name="application">   <div>     {{outlet}}   </div> </script>  <script type="text/x-handlebars" data-template-name="index">   <form>     <label for="go">data</label>     <input type="text" id="go" />     <button type="button" {{action "finddata"}}>find data</button>   </form> </script>  <script type="text/x-handlebars" data-template-name="my">   <ul>     {{#each entry in controller}}     <li>{{entry}}</li>     {{/each}}   </ul> </script>

these templates stored in index.html

var app = ember.application.create()  app.indexcontroller = ember.controller.extend({   myproperty: false,    finddata: function() {     console.log("requesting data server ..");     myproperty = true;   } });  app.mycontroller = ember.controller.extend({    needs: ['index'],     mypropertyhaschanged: function() {    var propertychanged = this.get('controllers.index.myproperty');    if (propertychanged) {       console.log("property has changed");       return ["apple", "orange"];    } }.observes('controllers.index.myproperty') });

and actual ember.js code. how can have data in "my" template updated based on whenever button in index template pressed ? should list of 2 elements ("apple" , "orange")

try setting value of controller content list want displayed in mypropertyhaschanged function:

this.set('content', ["apple", "orange"]);

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