title: firebase asking for key id when activating for iOS app
body: <p><a href="https://i.stack.imgur.com/7I0AS.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7I0AS.png" alt="enter image description here"></a></p>
  
  <p>What does the key id mean? Please help me, I don't know what to enter in there.</p>