# window_pane.pipe_pid

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1317
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-struct-window_pane-pipe_pid/

```c
pid_t pipe_pid;
```

## Referenced by

- [`cmd_pipe_pane_exec`](/en/tmux/3.7c/reference/c-function-cmd-pipe-pane-c-cmd_pipe_pane_exec/) (function)
- [`format_cb_pane_pipe_pid`](/en/tmux/3.7c/reference/c-function-format-c-format_cb_pane_pipe_pid/) (function)