--- displayed_sidebar: servicesSidebar --- import ParameterTypes from "@site/src/components/ParameterTypes" # NotificationProvider A notification provider represents a notification service installed in the Medusa backend, either through a plugin or backend customizations. It holds the notification service's installation status. ## Constructors ### constructor `**new NotificationProvider**()` A notification provider represents a notification service installed in the Medusa backend, either through a plugin or backend customizations. It holds the notification service's installation status. ## Properties