title: How child view controller can use the method defined in Parentviewcontroller
body: <p>I have a situation where child view controller is trying to display multiple view controller and while doing that child view controller needs to access play pause action method from the parent view controller. How this can be achieved that play pause action method which is to pause audio player, pause timer and pause layer:self.view.layer and is defined in parent view controller can be used by childviewcontroller.</p>
  
  <p>I will appreciate so much for all kinds of help to solve this.</p>
  
  <p>Thanks</p>