Drupal 8 Plugin System

[@KaustabRoy-w6v]

This is the best plugin API explanation I found on the internet in concise. Thanks.

[@bhupendrakanojiya4406]

Thank you 😊.

[@beto.aveiga]

In minute 37:09 getResource is not available, at least in Drupal 8.6.3. Anyway thanks a lot for the video, good work.

[@eDobit]

Fatal error: Class Drupal\image_grayscale_pixelize\Plugin\ImageEffects\Pixelize contains 3 abstract methods and must therefore be declared abstract or implement the remaining methods (Drupal\Core\Plugin\PluginFormInterface::buildConfigurationForm, Drupal\Core\Plugin\PluginFormInterface::validateConfigurationForm, Drupal\Core\Plugin\PluginFormInterface::submitConfigurationForm) in C:\Users\Acer\Sites\devdesktop\drupal-8.8.1\modules\custom\image_grayscale_pixelize\src\plugin\ImageEffect\Pixelize.php on line 24