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page_type: reference

{% comment %}
DO NOT EDIT THIS FILE!
This is generated by the JS SDK team, and any local changes will be
overwritten. Changes should be made in the source code at
https://github.com/firebase/firebase-js-sdk
{% endcomment %}

# NotificationPayload interface
Display notification details. Details are sent through the [Send API](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#notification)<!-- -->.

<b>Signature:</b>

```typescript
export interface NotificationPayload 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [body](./messaging_sw.notificationpayload.md#notificationpayloadbody) | string | The notification's body text. |
|  [icon](./messaging_sw.notificationpayload.md#notificationpayloadicon) | string | The URL to use for the notification's icon. If you don't send this key in the request, FCM displays the launcher icon specified in your app manifest. |
|  [image](./messaging_sw.notificationpayload.md#notificationpayloadimage) | string | The URL of an image that is downloaded on the device and displayed in the notification. |
|  [title](./messaging_sw.notificationpayload.md#notificationpayloadtitle) | string | The notification's title. |

## NotificationPayload.body

The notification's body text.

<b>Signature:</b>

```typescript
body?: string;
```

## NotificationPayload.icon

The URL to use for the notification's icon. If you don't send this key in the request, FCM displays the launcher icon specified in your app manifest.

<b>Signature:</b>

```typescript
icon?: string;
```

## NotificationPayload.image

The URL of an image that is downloaded on the device and displayed in the notification.

<b>Signature:</b>

```typescript
image?: string;
```

## NotificationPayload.title

The notification's title.

<b>Signature:</b>

```typescript
title?: string;
```