title: Firestore rules : array of maps
body: <p>I have the following architecture in my datas :</p>
  <pre><code>roles :
  
      0 :
          id : xxx
          name : xxx
     
      1 :
          id : xxx
          name : xxx
  </code></pre>
  <p>I want a rule, that allows me to check if the user ID is equal to one of the IDs in roles array, is somebody have an idea ?</p>
  <p>Thank you and have a good day !</p>