title: How to make values in plist change based on build scheme
body: <p>I've a few different build schemes. 
  The dev/test/accept schemes need to use use other values on certain plist variables than the production scheme. </p>
  
  <p>How should I go about this? </p>
  
  <p><a href="https://i.stack.imgur.com/i0tGR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/i0tGR.png" alt="enter image description here"></a></p>