Available items:
OnAccessStatusChanged Event
OnBalanceChange Event
OnCreditStatusChange Event
OnDisplayTextChange Event
OnEscrowed Event
OnInpayment Event
OnInpaymentFailed Event
OnNewSessionSettingsAvailable Event
OnRunningOutOfCredit Event
OnSessionBegin Event
OnSessionEnd Event
OnZoneBecameInvalid Event
OnZoneCrossing Event