@classmethod
  def GetITunesTransactionId(cls, verify_response):
    return kITunesPrefix + verify_response.GetRenewalTransactionId()
Called when the user selecte "Stop Timer" from the menu.
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/subscription.py/Subscription.GetITunesTransactionId--crossover with--dataset/ETHPy150Open enthought/pyface/examples/splash_screen.py/MainWindow._stop_timer