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# Magento_AdminNotification module The Magento_AdminNotification module provides the ability to alert administrators via system messages and provides a message inbox for surveys and notifications. ## Installation details The Magento_AdminNotification module creates the following tables in the database: - `adminnotification_inbox` - `admin_system_messages` Before disabling or uninstalling this module, note that the Magento_Indexer module depends on this module. For information about module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html). ## Extensibility Extension developers can interact with the Magento_AdminNotification module. For more information about the Magento extension mechanism, see [Magento plug-ins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html). [The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_AdminNotification module. ### Events This module observes the following events: - `controller_action_predispatch` event in `Magento\AdminNotification\Observer\PredispatchAdminActionControllerObserver` file. ### Layouts This module introduces the following layouts and layout handles in the `view/adminhtml/layout` directory: - `adminhtml_notification_index` - `adminhtml_notification_block` For more information about layouts in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html). ### UI components You can extend admin notifications using the `view/adminhtml/ui_component/notification_area.xml` configuration file. For information about UI components in Magento 2, see [Overview of UI components](https://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).