code: def notify(title,
             message,
             secret,
             endpoint=None,
             level=3,
             link=None,
             retcode=None):
      
  
      data = {
          'title': title,
          'message': message,
          'level': level,
          'secret': secret,
      }
  
      if link:
          data['link'] = link
  
      headers = {'User-Agent': USER_AGENT}
  
      if endpoint is None:
          endpoint = 'https://api.pushjet.io'
  
      resp = requests.post(endpoint + '/message', data=data, headers=headers)
  
      resp.raise_for_status()
docs: Required parameter:
          * ``secret`` - The Pushjet service secret token, created with
              http://docs.pushjet.io/docs/creating-a-new-service
  
      Optional parameters:
          * ``endpoint`` - custom Pushjet API endpoint
              (defaults to https://api.pushjet.io)
          * ``level`` - The importance level from 1(low) to 5(high)
          * ``link``