# session.NewWindowOptions.start_directory

- **Module:** session.NewWindowOptions
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/session.rs#L1062
- **Page:** https://libtmux.org/reference/rs/session-newwindowoptions-start_directory/

```
session.NewWindowOptions.start_directory(mut, directory: impl Into<std::path::PathBuf>) -> Self
```

Set the window's working directory.

tmux expands this as a format, so [`crate::escape_format`] belongs
around text a program did not write.