# LibTmux.Ref.id/0

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Elixir
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-elixir/blob/66b9b1c3f3f3186428abdfda2c76f5cf87446710/lib/libtmux/ref.ex#L17
- **Page:** https://libtmux.org/en/elixir/latest/reference/libtmux-ref-id-0/

```
@type id() ::
        String.t()
        | {String.t(), non_neg_integer(), String.t()}
```

A native ID or observed session/index/window link binding; neither reserves an object's lifetime.