# LibTmux::Session#ref

- **Module:** LibTmux::Session#
- **Package:** libtmux
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/c6d9d21771828e583692ca899ed817f9640d6a55/gems/libtmux/lib/libtmux/entity.rb#L61
- **Page:** https://libtmux.org/en/ruby/latest/reference/libtmux-session-ref/

```
LibTmux::Session#ref() -> ::LibTmux::EntityRef
```

Returns the value of attribute ref.

Behavior contract: Live handles.