title: Xcode Embedded navigation controller back-button not showing
body: <p>I've just started learning Swift and Xcode, so I apologise in advance if my question is confusing or missing information. Please let me know if that's the case. </p>
  
  <p>My question is on the automatic navigation bar created when I embed my scenes in the navigation controller. </p>
  
  <p>As I've tried to show in my screenshot in the link below, my idea is to use the "Refusion" button in scene 1 to show scene 2. This works. However, scene 2 does not generate an automatic back button this way, which is what I'm trying to get. </p>
  
  <p>If I create a button in scene 2 that shows scene 1 upon being pressed, scene 1 will now have an automatically generated back button. But this sends the user/me back from scene 1 to scene 2.. Which I already have my "Refusion" button for and also it just creates a confusing loop.</p>
  
  <p>So, my question is: I'm trying to figure out how to get the auto-back button on my scene 2 and just scene 2, how do I do that? I'm probably doing something wrong, but would appreciate any help in where my error is.</p>
  
  <p>I've embedded both scenes in the navigation controller. </p>
  
  <p>Thanks, </p>
  
  <p><a href="https://ibb.co/jfZeSa" rel="nofollow noreferrer">https://ibb.co/jfZeSa</a></p>