# tmuxtest.PTYProcess.Close

- **Module:** tmuxtest.PTYProcess
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/tmuxtest/pty_process.go#L177
- **Page:** https://libtmux.org/reference/go/tmuxtest-ptyprocess-close/

```
tmuxtest.PTYProcess.Close() -> error
```

Close stops the subprocess if needed and releases the PTY master. It is safe to call concurrently and more than once.