public function getSchemaDataDefaults()
    {
        $schema = parent::getSchemaDataDefaults();
        $schema['data'] = array_merge($schema['data'], [
            'showLinkText' => $this->getShowLinkText(),
            'linkedPage' => $this->getLinkPage() ? $this->getLinkPage()->toMap() : [],
            'title' => $this->Title(),
        ]);
        return $schema;
    }