iOS Swift : Message and Message Title are not working

[Abhishek-NickelFox]

I have added code in didFinishLaunch

iRate.sharedInstance().messageTitle = "TITLE TEST"
iRate.sharedInstance().message = "TEST MESSAGE"

Its showing still its default message

UPDATE
iRate.sharedInstance().messageTitle = NSLocalizedString("Rate MyApp", comment: "TITLE TEST")
iRate.sharedInstance().message = NSLocalizedString("If you like MyApp, please take the time, etc", comment: "TITLE MESSAGE")

Stil Not working

@nicklockwood : Please Help