A notification that can be included in [Message](https://firebase.google.com/docs/reference/admin/node/firebase-admin.messaging#message).

**Signature:**

    export interface Notification 

## Properties

| Property | Type | Description |
|---|---|---|
| [body](https://firebase.google.com/docs/reference/admin/node/firebase-admin.messaging.notification#notificationbody) | string | The notification body |
| [imageUrl](https://firebase.google.com/docs/reference/admin/node/firebase-admin.messaging.notification#notificationimageurl) | string | URL of an image to be displayed in the notification. |
| [title](https://firebase.google.com/docs/reference/admin/node/firebase-admin.messaging.notification#notificationtitle) | string | The title of the notification. |

## Notification.body

The notification body

**Signature:**

    body?: string;

## Notification.imageUrl

URL of an image to be displayed in the notification.

**Signature:**

    imageUrl?: string;

## Notification.title

The title of the notification.

**Signature:**

    title?: string;