title: GCM API Key restriction
body: <p>I try to send a push notification using ionic cloud, but Google now requires a restriction key . I don't know how to get key restriction. Please help me.</p>
  
  <p><a href="https://i.stack.imgur.com/CmJuP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CmJuP.png" alt="enter image description here"></a></p>