public function getCMSFields()
    {
        $image = HTML::createTag('img', [
            'src' => $this->PreviewLink(),
            'alt' => $this->getTitle(),
            'class' => 'd-block mx-auto',
        ]);

        $fields = FieldList::create(
            HTMLReadonlyField::create('IconFull', _t(__CLASS__.'.PREVIEW', 'Preview'), $image),
            TextField::create("Title", $this->fieldLabel('Title')),
            TextField::create("Name", $this->fieldLabel('Filename')),
            TextField::create("Filename", _t(__CLASS__.'.PATH', 'Path'))
                ->setReadonly(true)
        );
        $this->extend('updateCMSFields', $fields);
        return $fields;
    }