> For the complete documentation index, see [llms.txt](https://docs.incari.com/incari-studio/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.incari.com/incari-studio/2021.4/toolbox/communication/serial/events/onserialstart.md).

# On Serial Start

## Overview

![The On Serial Start Node.](https://3875032344-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSX7w874Eg6ode1ivk0ZM%2Fuploads%2Fgit-blob-b15361c0a4fda34522bb30b0d39f6afe71d68af5%2Fonserialstart.png?alt=media)

The **On Serial Start Node** is an **Event Listener Node** that gives the user a way to perform an action once a **Serial** connection is established.

## Attributes

| Attribute       | Type          | Description                        |
| --------------- | ------------- | ---------------------------------- |
| `Configuration` | **Drop-down** | The desired **Serial** connection. |

## 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 Serial Error**](/incari-studio/2021.4/toolbox/communication/serial/events/onserialerror.md)
* [**On Serial Packet Receive**](/incari-studio/2021.4/toolbox/communication/serial/events/onserialpacketreceive.md)
* [**On Serial Stop**](/incari-studio/2021.4/toolbox/communication/serial/events/onserialstop.md)