public function contextCreate(Event $event)
    {
        if (method_exists($event, 'getCampaign')) {
            $this->campaign = $event->getCampaign();
        }
        if (method_exists($event, 'getActor')) {
            $this->actor = $event->getActor();
        }
        if (method_exists($event, 'getActivity')) {
            $this->activity = $event->getActivity();
        }
        if (method_exists($event, 'getMemo')) {
            $this->memo = $event->getMemo();
        }
        if (method_exists($event, 'getLead')) {
            $this->lead = $event->getLead();
        }
    }