# LibTmux::Selection#length

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/da7b6191b9439e3c84fa1c9eeaa9168263ee7af4/gems/libtmux/lib/libtmux/selection.rb#L44
- **Page:** https://libtmux.org/en/ruby/v0.1.1/reference/libtmux-selection-length/

```
def length: () -> ::Integer
```

Behavior: Selections.

Behavior contract: Selections.