function getCMSFields()
 {
     $fields = parent::getCMSFields();
     $fields->push(DropdownField::create("PageID", "Testimonials Holder Page", TestimonialsHolderPage::get()->map()->toArray())->setHasEmptyDefault(true));
     return $fields;
 }
 public function Link()
 {
     if ($page = TestimonialsHolderPage::get()->first()) {
         return $page->Link() . '#Testimonial' . $this->ID;
     }
 }