title: Send notification through facebook application using rest fb api
body: <p>I am trying to send notification to facebook users via facebook application using restfb api. When tried to publish such notification, it shows an exception </p>
  
  <pre><code>"com.restfb.exception.FacebookGraphException: Received Facebook error response of type 
  GraphMethodException: Unsupported post request". 
  </code></pre>
  
  <p>Below is my code:</p>
  
  <pre><code>FacebookType = facebookAppAccessToken.publish("user_id/notification?access_token=app_access_token"), 
  FacebookType.class, Parameter.with("template","send_notification"), 
  Parameter.with("href,"sample_link"));
  </code></pre>
  
  <p>Please help me resolving this. Thanks in advance</p>