title: How to use TouchBar - Slider in Mac Catalyst?
body: <p>I'm trying to add Touch Bar support for Mac Catalyst app.</p>
  
  <p>And the NSSliderTouchBarItem is marked as available for catalyst, but the doubleValue of the slider is not available. Is there another way to get value from it?</p>
  
  <p><a href="https://i.stack.imgur.com/SHWxA.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SHWxA.png" alt=""></a></p>