class SomeClass implements EventListenerInterface
{
    const TASK_TYPE = 'plans';

    /**
     * @Flow\Inject
     * @var EventScheduler
     */
    protected $scheduler;

    public function whenSomeThingWasPlanned(SomeThingWasPlanned $event): void
    {
        $taskPayload = ['nameOfTheThing' => $event->getTitle()];
        $this->scheduler->scheduleTask($event->getCorrelationId(), self::TASK_TYPE, $event->getPlannedDate(), $taskPayload);
    }

    public function whenSomeThingWasCancelled(SomeThingWasCancelled $event): void
    {
        $this->scheduler->cancelTask($event->getCorrelationId(), self::TASK_TYPE);
    }

    public function whenSchedulerWasTriggered(SchedulerWasTriggered $event): void
    {
        if (!$event->matchesType(self::TASK_TYPE)) {
            return;
        }
        $payload = $event->getPayload();

        // TODO Do something with the $paload
    }
}