documentation/_subject_interface_8php_source.html

 <?php
 namespace Magento\Framework\View\Element\UiComponent;

 interface SubjectInterface
 {
     public function attach($type, ObserverInterface $observer);

     public function detach($type, ObserverInterface $observer);

     public function notify($type);
 }
Magento\Framework\View\Element\UiComponent\SubjectInterface\notify
notify($type)

Magento\Framework\View\Element\UiComponent\SubjectInterface
Definition: SubjectInterface.php:11

Magento\Framework\View\Element\UiComponent\SubjectInterface\attach
attach($type, ObserverInterface $observer)

Magento\Framework\View\Element\UiComponent\SubjectInterface\detach
detach($type, ObserverInterface $observer)

$type
$type
Definition: item.phtml:13

$observer
$observer
Definition: second_website_with_second_currency.php:38

Magento\Framework\View\Element\UiComponent\ObserverInterface
Definition: ObserverInterface.php:13

Magento\Framework\View\Element\UiComponent