title: OneSignal set custom title message in web push notification
body: <p>i have integrated one-signal in my web application, notifications are working fine but if considering web page title in push notification title.</p>
  
  <p>i need to set it custom title in my push notification.</p>
  
  <p><a href="https://i.stack.imgur.com/TQyD1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/TQyD1.png" alt="enter image description here"></a>  </p>
  
  <p>i need to set custom message in place of "Dashboard"</p>
  
  <p>Here is my code:</p>
  
  <pre><code>$content = array(
      "en" =&gt; 'Hello Hii..!!'
  );
  
  $fields = array(
      'app_id' =&gt; 'APP_ID',
      'include_player_ids' =&gt; ['ids'],
      'data' =&gt; array("foo" =&gt; "bar"),
      'url' =&gt; 'URL',
      'contents' =&gt; $content
  );
  
  $fields = json_encode($fields);
  //print("\nJSON sent:\n");
  //print($fields);
  
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications");
  curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8',
      'Authorization: Basic AuthorizationKey';
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
  curl_setopt($ch, CURLOPT_HEADER, FALSE);
  curl_setopt($ch, CURLOPT_POST, TRUE);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  
  $response = curl_exec($ch);
  curl_close($ch);
  return $response;
  </code></pre>