Plugin level configuration

Listeners get executed only before, after, or when the plugin fails for the configured event.

It is strongly recommended that, by default, the value for custom-configuration-dir is <magento-install-directory>/app/etc/configuration
As soon as a default configuration is copied, changed, extended, or modified and stored under the path specified in custom-configuration-dir, only this configuration takes effect and always overwrites the original configuration
The configuration handling is mainly based on the PHP framework Symfony, and therefore unexpected effects maid occur in different configuration constellations
- Consequently, it is always recommended to test modified configurations concerning unwanted side effects

The configuration in a snippet, e.g., <customer-installation-dir>/operations.json, can look like this:

{
  "operations": {
    "general": {
      "catalog_product_tier_price": {
        "add-update": {
          "plugins": {
            "subject": {
              "id": "import.plugin.subject",
              "listeners": [
                {
                  "plugin.process.success": [
                    "import_product_tier_price.listener.delete.obsolete.tier_prices"
                  ]
                }
              ],
              "subjects": [ ... ]
            }
          }
        }
      }
    }
  }
}

Plugin level configuration

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