# Serial Close Close the specified serial port. Action available for the following operating systems: ![](https://3821468174-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LrTlA1suFa5N48x_83N%2F-MGNrRhE4X1yoH0bXC6I%2F-MGNsZjeYMKt8-HvBB5n%2FTodos%20menos%20IOS.PNG?alt=media\&token=25a0b0e6-f318-4a38-b3f3-5b71460a3fb0) ### Parameters * **Serial Port** *\ -* The name of the port that user wants to close. 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.