# NotificationFlags The **NotificationFlags** module implements a **NotificationFlags** instance. > **NOTE** > > The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version. **System capability**: SystemCapability.Notification.Notification | Name | Type | Readable| Writable| Description | | ---------------- | ---------------------- | ---- | ---- | --------------------------------- | | soundEnabled | [NotificationFlagStatus](#notificationflagstatus) | Yes | No | Whether to enable the sound alert for the notification. | | vibrationEnabled | [NotificationFlagStatus](#notificationflagstatus) | Yes | No | Whether to enable vibration for the notification. | ## NotificationFlagStatus Describes the notification flag status. **System capability**: SystemCapability.Notification.Notification **System API**: This is a system API and cannot be called by third-party applications. | Name | Value | Description | | -------------- | --- | --------------------------------- | | TYPE_NONE | 0 | The default flag is used. | | TYPE_OPEN | 1 | The notification flag is enabled. | | TYPE_CLOSE | 2 | The notification flag is disabled. |