public function getCalendarEventTitle(EntityInterface $entity, ArrayObject $options, $map = null)
    {
        $table = TableRegistry::getTableLocator()->get($entity->source());

        $displayField = $entity->get($table->getDisplayField());

        $result = sprintf("%s - %s", Inflector::humanize($entity->source()), $displayField);

        return $result;
    }