I want to observe defaults for that particulate key whenever I set a new value to that particular key then I want to perform a certain operation where I am observing the change.
//Global Variable
var defaults = UserDefaults()
//Set the value
self.defaults = UserDefaults(suiteName: "group.random.mugish")!
defaults.set("tempValueSet", forKey: "group.random.mugish")
//Read the value
let defaults2 = UserDefaults(suiteName: "group.random.mugish")
let x = defaults2?.string(forKey: "group.random.mugish")