title: Receiving toast notifications on Windows Phone when app is not running
body: <p>My toast message has the following format:</p>
  
  <pre class="lang-cs prettyprint-override"><code>string toastMessage = "&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;" +
  "&lt;wp:Notification xmlns:wp=\"WPNotification\"&gt;" +
  "&lt;wp:Toast&gt;" +
      "&lt;wp:Text1&gt;[string]&lt;/wp:Text1&gt;" +
      "&lt;wp:Text2&gt;[string]&lt;/wp:Text2&gt;" +
      "&lt;wp:Param&gt;[string]&lt;/wp:Param&gt;" +
      "&lt;wp:myCustomParam1&gt;[string]&lt;/wp:myCustomParam1&gt;" +
      "&lt;wp:myCustomParam2&gt;[string]&lt;/wp:myCustomParam2&gt;" +
      "&lt;wp:myCustomParam3&gt;[string]&lt;/wp:myCustomParam3&gt;" +
  "&lt;/wp:Toast&gt;" +
  "&lt;/wp:Notification&gt;";
  </code></pre>
  
  <p>While my app is running I can receive my custom parameters (wp:myCustomParam1 and other) on <code>ShellToastNotificationReceived(object sender, NotificationEventArgs e)</code> event handler as keys in <code>e.Collection</code></p>
  
  <p>But when my app is not running and notification comes, the user taps on pop-up notification and app started, the ShellToastNotificationReceived doesn't calls and notification is lost.</p>
  
  <p>So, how can I get my custom parameters in this case?  </p>