title: What size can we use for the notification badge icon in FCM?
body: <p>I am using <code>FCM</code> push notification for my app, everything is working fine. but right now, I am getting a small icon below my notification icon. See below image.</p>
  
  <p><a href="https://i.stack.imgur.com/3sRyl.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3sRyl.png" alt="enter image description here"></a></p>
  
  <p>Can any one tell me what is the size we can use for this icon? And how can we customize it?How can i add icon or image at that place?</p>