Iron-ajax issue | listener method `handleResponse` not defined

[Mathieu LEPRON]

Hi,

I have a problem with iron-ajax who can not created the listerner method, i have this error : 

[my-ajaxelement::_createEventHandler]: listener method `handleResponse` not defined

Here is my-element : 

 

<!--

@license

Copyright (c) 2015 The Polymer Project Authors. All rights reserved.

This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt

The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt

The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt

Code distributed by Google as part of the polymer project is also

subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt

-->

<link rel="import" href="../../bower_components/polymer/polymer.html"

<dom-module id="my-ajaxelement">

    <style>

      :host {

        display: block;

      }

    </style>

  <template>

    <h1 class="paper-font-display1">My-ajax</h1>

    <div><span class="paper-font-body2">{{foo}}</span></div>

   

<iron-ajax

    auto

    url="http://api.openweathermap.org/data/2.5/forecast/"

params='{"q":"California", "cnt":"7"}'

on-response="handleResponse"

handle-as="json">

</iron-ajax>

   </template>

</dom-module>

  <script>

  (function() {

    Polymer({

      is: 'my-ajaxelement',

      properties: {

        foo: {

          type: String,

          value: 'bar',

          notify: true

        },

handleResponse: function (){

console.log('ok');

}

      }

    });

    })();

  </script>

 

I don't see where is the problem... Does anyone have an idea?

Thanks :)

PS: Sorry for my "bad" english.