# LibTmux::Async::ControlSubscription#generation

- **Module:** LibTmux::Async
- **Package:** libtmux-async
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/46474e8a2f03e39fc2b0ff73b6a841777b79c4d2/gems/libtmux/lib/libtmux/control.rb#L88
- **Public owner:** LibTmux::ControlSubscription#generation
- **Page:** https://libtmux.org/en/ruby/v0.1.2/reference/libtmux-async-controlsubscription-generation/

```
def generation: () -> ::String?
```

Returns the value of attribute generation.

Behavior contract: Control subscriptions.