> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso/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/kalipso/documentation/actions/group-communications/serial-flush.md).

# Serial Flush

**Serial Flush**

Flushes the buffers of a specified serial port and causes all buffered data to be sent.

Action available for the following operating systems:

<figure><img src="https://1614058754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJ5vDGuBZwhJDeu5Rq7Wt%2Fuploads%2Fgit-blob-7a7ab3f3fc74afcaab1e0810f419316203cc49e1%2F01_Supported_OS.png?alt=media" alt="OS Supported: Android, iOS, Win, Win32"><figcaption></figcaption></figure>

## Parameters

* **Serial Port** *\<unquoted string> -* The number of the port to flush. Typically is a Com Port. You can 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.