title: How to fetch auto generated document id in firebase firestore in flutter?
body: <p><a href="https://i.stack.imgur.com/CqRJh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CqRJh.png" alt="enter image description here"></a></p>
  
  <p>how can I get this random generated document's ID? Thank you for your help</p>