Simple ember table header sort

I have an ember application in which I have a table. I'm trying to do a simple column header sort but can't seem to get it to work or find any decent examples on how to do this. Any assistance would be appreciated.

links.hbs:

 <thead>
      <tr>
        <th {{action "sortBy" "linkID"}}>ID</th>
        <th {{action "sortBy" "name"}}>NAME</th>
        <th {{action "sortBy" "description"}}>DESCRIPTION</th>
        <th {{action "sortBy" "url"}}>URL</th>
        <th {{action "sortBy" "effDate"}}>EFFECTIVE DATE</th>
        <th {{action "sortBy" "endDate"}}>END DATE</th>
        <th {{action "sortBy" "secr"}}>SECURITY RESOURCE</th>

      <tr>
    </thead>

links.js (controller):

import Ember from 'ember';

export default Ember.ArrayController.extend({
    actions:{
            sortBy: function(property) {
                alert('Hello');
                this.set('sortProperties', [property]);
                this.set('sortAscending', !this.get('sortAscending'));
            }
    }

});