> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-communications/serial-write.md).

# Serial Write

Writes data to specified serial port.

Action available for the following operating systems:

![](/files/-MGNsZjeYMKt8-HvBB5n)

### Parameters

* **Serial Port** *\<unquoted string> -* The name of the port that user wants to write. Tipically is a Com Port, and user could choose from pre-defined Com Ports from Com0 to Com13. It's also possible defined a port dynamically by choosing option *dynamic* for this parameter.
* **Coded** *\<unquoted string> -* This parameter defines if the data to write is coded or not. The possible options for this parameter are: *Yes*, *No* or *dynamic*.
* **End of line** *\<unquoted string> -* The characters that the user wants to represent the end of line (Example: <13><10>).
* **Text to write** *\<string> -* The text that the user wants to write in the serial port.