[Home](./index.md) > [sip.js](./sip.js.md) > [Notification](./sip.js.notification.md) ## Notification class A notification of an event (incoming NOTIFY). Signature: ```typescript export declare class Notification ``` ## Remarks The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `Notification` class. ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [request](./sip.js.notification.request.md) | | IncomingRequestMessage | Incoming NOTIFY request message. | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [accept(options)](./sip.js.notification.accept.md) | | Accept the request. | | [reject(options)](./sip.js.notification.reject.md) | | Reject the request. |