title: Need to list out members in a group to which current user belongs toin flutter
body: <p>I have a flutter app in which each user belongs to only one group
  my user model is as follow</p>
  
  <pre><code>class OurUser {
    String uid;
    String email;
    String fullName;
    Timestamp accountCreated;
    String groupId;
  
    OurUser({
      this.uid,
      this.email,
      this.fullName,
      this.accountCreated,
      this.groupId,
    });
  }?
  </code></pre>
  
  <p>My Group model is as follows</p>
  
  <pre><code>class OurGroup {
    String id;
    String name;
    String leader;
    List&lt;String&gt; members;
  
  
    OurGroup(
        {
      this.id,
      this.name,
      this.leader,
      this.members,
    });
  }
  </code></pre>
  
  <p>I want to list down the members in group model based on current user.
  Any suggestions on how to go forward</p>