# Libtmux.Pane.pid

- **Module:** Libtmux
- **Package:** libtmux
- **Language:** OCaml
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-ocaml/blob/205dfda49742592b479247049d186956e4a4cfe9/lib/libtmux.mli#L347
- **Public owner:** Libtmux
- **Page:** https://libtmux.org/en/ocaml/latest/reference/libtmux-pane-pid/

```
val pid : t -> int option
```

The captured process ID, absent when tmux reports no process.

## Parameters

- `arg1` (`t`)

## In other ports

The process id of the program in a pane

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Pane.pid`](/en/py/latest/reference/libtmux-pane-pid/) (attribute) |
| Lua | [`libtmux.SnapshotPane.pid`](/en/lua/latest/reference/libtmux-snapshotpane-pid/) (attribute) |
| Elixir | [`LibTmux.Pane.pid`](/en/elixir/latest/reference/libtmux-pane-pid/) (property) |
| Haskell | No public Haskell equivalent is implemented; the current modules expose scalar values and version parsing. |
| TypeScript | no equivalent on `Pane` |
| Rust | [`pane.Pane.pid`](/en/rs/latest/reference/pane-pane-pid/) (method) |
| Go | no equivalent on `Pane` |
| Java | [`io.github.libtmux.Pane.pid`](/en/java/latest/reference/io-github-libtmux-pane-pane-pid/) (method) |
| C# | no equivalent on `Pane` |
| C++ | [`libtmux::Pane::pid`](/en/cxx/latest/reference/libtmux-pane-pid-172a/) (method) |
| Swift | no equivalent on `Pane` |
| Perl | [`LibTmux::Pane::pid`](/en/perl/latest/reference/libtmux-pane-pid/) (method). Schema-validated captured data; reading performs no tmux I/O. |

No equivalent is recorded in Ruby, PowerShell, Julia, Erlang, Common Lisp, Clojure, Kotlin, Scala or F#.