Get Tap action on push

Get Tap action on push

I am showing push notification in my application. Now i want to make some
actions only when user tap on push notification in the notification drop
down screen. So can anyone guide me how to get tap action on push
notification. I cannot use given below method because it is called when a
push is received.
- (void)application:(UIApplication *)application
didReceiveRemoteNotification:(NSDictionary *)userInfo
Thanks in advance.