request = $request; $this->isModuleInMarketplace = $isModuleInMarketplace; } /** * Add shared css to plumrocket extension configuration page. * * @param \Magento\Framework\Event\Observer $observer */ public function execute(\Magento\Framework\Event\Observer $observer) { if ('adminhtml_system_config_edit' === $this->request->getFullActionName() && $this->isModuleInMarketplace->execute('Plumrocket_Base') ) { /** @var \Magento\Framework\View\Layout\ProcessorInterface $update */ $update = $observer->getEvent()->getLayout()->getUpdate(); $update->addUpdate(''); } } }