# control.Event.Exit.reason

- **Module:** control.Event
- **Package:** libtmux
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/84de9258a07d10bdd5f6da01b016a9ae06fe1210/crates/libtmux/src/control.rs#L270
- **Page:** https://libtmux.org/en/rs/latest/reference/control-event-exit-reason/

```rs
reason: Option<TmuxText>
```

Why, when tmux gave a reason. `None` is an ordinary shutdown.