title: How can I select specific fields using the firestore modular api
body: <p>In the &lt;= V8 Firestore API I could query a set of documents and extract a subset of fields with code like the following:</p>
  <pre><code>  const membersRef = db.collection('members');
    const snapshot = await membersRef.select('First', 'Last').get();
  </code></pre>
  <p>With the new modular api I can do the following:</p>
  <pre><code>import { collection } from 'firebase/firestore';
  const membersRef = collection(db,'members');
  // how to select only First and Last from members ?
  </code></pre>
  <p>I can't find a select() function to specify fields in the new api.  How can this be done using the V9 modular api?</p>
  <p>I know I can read the entire collection and use .map()/.forEach to reduce the fields but I have some large fields I would rather not query unless I need them for a specific document.  The use of select to have the server pull out only the fields needed is useful.</p>