/** * Add the PinterestDomainVerifyID field if it is not already set in the config.yml * @param FieldList $fields */ public function updateCMSFields(FieldList $fields) { if (PinterestButton::use_site_config()) { $fields->addFieldToTab("Root.Pinterest", TextField::create("PinterestDomainVerifyID", "PinterestDomainVerifyID")->setDescription("Place your pinterest ID here")); } else { $fields->removeByName("PinterestDomainVerifyID"); } }