designer

designer.html

<link rel="import" href="../core-icon-button/core-icon-button.html">
<link rel="import" href="../notification-elements/notification-alert.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #core_icon_button {
        left: 450px;
        top: 200px;
        position: absolute;
      }
      #notification_alert1 {
        left: 650px;
        top: 500px;
        position: absolute;
      }
    </style>
    <core-icon-button icon="menu" id="core_icon_button" theme="core-light-theme" on-tap="{{ show }}"></core-icon-button>
    <notification-alert message="Hi there!" icon="icon.png" name="notification" id="notification_alert1"></notification-alert>
  </template>

  <script>

    Polymer('my-element', {
      show: function () {
        this.$.notification_alert1.notify();
      }
    });

  </script>

</polymer-element>