layout_paragraphs-1.0.x-dev/examples/your_module.services.yml

# Example services.yml configuration for registering the duplicate event subscriber

services:
  your_module.layout_paragraphs_duplicate_subscriber:
    class: Drupal\your_module\EventSubscriber\LayoutParagraphsDuplicateExampleSubscriber
    arguments:
      - '@messenger'
    tags:
      - { name: 'event_subscriber' }