ember upload

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions:{
  
  uploadFile(file){
  	file.upload(
      'www.test.com/fakeUpload/',{
        method: 'PATCH',
        fileKey: 'data[attributes][file]'
	  })
	 }
}
});

templates.application.hbs

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

{{#file-upload name="illustration"
  accept="*"
  method="GET"
  onfileadd=(action "uploadFile")}}
    <a class='btn btn-primary'>
    File</a>
{{/file-upload}}

<br>
<br>

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": "2.17.2",
    "ember-template-compiler": "2.17.2",
    "ember-testing": "2.17.2"
  },
  "addons": {
    "ember-data": "2.17.1",
    "ember-file-upload": "2.6.1"

  }
}