CBPRestActivity::unsubscribe

public function unsubscribe(IBPActivityExternalEventListener $eventHandler)
{
	$timeoutDuration = $this->CalculateTimeoutDuration();
	if ($timeoutDuration > 0)
	{
		$schedulerService = $this->workflow->GetService("SchedulerService");
		$schedulerService->UnSubscribeOnTime($this->subscriptionId);
		$this->subscriptionId = 0;
	}

	$this->eventId = null;
	$this->workflow->RemoveEventHandler($this->name, $eventHandler);
}