# On MQTT Start

## Overview

![The On MQTT Start Node.](https://1553081948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FU990HLHWA30dTfELtDUK%2Fuploads%2Fgit-blob-1d37f4d04c02398a66f853e2d33809a5d0f84db5%2Fonmqttstartnode20241.png?alt=media)

**On MQTT Start** is an **Event Listener Node** notifying that the **MQTT** connection was successfully established, therefore enabling the user to perform actions on said connection.

[**Scope**](https://github.com/cgi-studio-gmbh/incari-doc/blob/2025.1/toolbox/communication/overview.md#scopes): **Project**, **Scene**.

## Attributes

![The On MQTT Start Node Attributes.](https://1553081948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FU990HLHWA30dTfELtDUK%2Fuploads%2Fgit-blob-5da04ce57995bbc1256226e36a260c2580cc28f9%2Fonmqttstartattributes.png?alt=media)

| Attribute       | Type          | Description                                        |
| --------------- | ------------- | -------------------------------------------------- |
| `Configuration` | **Drop-down** | The connection, or signal name, that will be used. |

## Outputs

| Output             | Type      | Description                                                                                                                            |
| ------------------ | --------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| *Pulse Output* (►) | **Pulse** | A standard **Output Pulse**, to move onto the next **Node** along the **Logic Branch**, once this **Node** has finished its execution. |

## See Also

* [**On MQTT Stop**](https://docs.incari.com/incari-studio/toolbox/communication/mqtt/events/onmqttstop)
* [**On MQTT Topic**](https://docs.incari.com/incari-studio/toolbox/communication/mqtt/events/onmqtttopic)