- $this->assign('frequency_unit', $this->_subscriptionDetails->frequency_unit);
- $this->assign('frequency_interval', $this->_subscriptionDetails->frequency_interval);
- $this->assign('amount', $this->_subscriptionDetails->amount);
- $this->assign('installments', $this->_subscriptionDetails->installments);
+ $this->assign('frequency_unit', $this->getSubscriptionDetails()->frequency_unit);
+ $this->assign('frequency_interval', $this->getSubscriptionDetails()->frequency_interval);
+ $this->assign('amount', $this->getSubscriptionDetails()->amount);
+ $this->assign('installments', $this->getSubscriptionDetails()->installments);