title: How to use user properties of FirebaseAnalytics on flutter?
body: <p>I'm using the 'setUserProperty()' function on my registration button and I want to use the property in another screen, how can I do that?</p>
  <pre><code>final FirebaseAnalytics analytics = FirebaseAnalytics();
  await analytics.setUserProperty(name: 'name', value: 'TEXT');
  </code></pre>