response-actions-handling.swift

+   func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
+        if response.actionIdentifier == "like" {
+            print("Handle like action identifier")
+        } else if response.actionIdentifier == "save" {
+            print("Handle save action identifier")
+        } else {
+            print("No custom action identifiers chosen")
+        }
+        // Make sure completionHandler method is at the bottom of this func
+        completionHandler()
+    }