# config.WindowConfig.window_index

- **Module:** config.WindowConfig
- **Package:** tmux-workspace
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/tmux-workspace/src/config.rs#L131
- **Page:** https://libtmux.org/en/rs/latest/workspace/reference/config-windowconfig-window_index/

The window index to create at, or `None` for the first free one.