> For the complete documentation index, see [llms.txt](https://docs.thingsup.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.thingsup.io/actions/firebase-messaging-action.md).

# Firebase Messaging Action

This provides a way to perform queries on Firebase Messaging. Before adding Firebase Messaging Action, user has to define a [**Firebase Connection**.](/connections/firebase-connection.md) User need to provide following parameters to perform Firebase Messaging.

#### Function

* User can write JavaScript code to create dynamic messages to send to FCM.
* "payload" and messages objects are available in this code which are directly used to send messages.

```
//Example 1

messages.push({ notification: {title: 'Price drop', body: '5% off all electronics'},
topic: '/topic/' + payload.userid,
});
```

#### Connection ID

User need to provide a Connection ID of Firebase connection.

![Add Firebase Messaging Action](/files/bf6pqD0gf8lZjR4Cpd2v)

Please note the following points:

{% hint style="info" %}

* Get more details at [Google Firebase Cloud Messaging.](https://firebase.google.com/docs/cloud-messaging/send-message)
* "payload" object is supplied from Action Trigger like Rules, Action Command etc.
* Data Response of operation will be available as Action Response.
  {% endhint %}