# LibTmux.Id.SessionId

- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** data type
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Id.hs#L45
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-id-t-sessionid/

```haskell
data SessionId
```

A session's unsigned 32-bit tmux identifier, written with a `$` prefix.
 Parse with [`parseSessionId`](/en/haskell/latest/reference/libtmux-id-v-parsesessionid/); render with [`renderSessionId`](/en/haskell/latest/reference/libtmux-id-v-rendersessionid/).

## Instances

- instance [NFData](https://hackage.haskell.org/package/deepseq-1.5.1.0/docs/Control-DeepSeq.html#t:NFData) [`SessionId`](/en/haskell/latest/reference/libtmux-id-t-sessionid/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Id.hs#L47))

- instance [Eq](https://hackage.haskell.org/package/base-4.22.0.0/docs/Data-Eq.html#t:Eq) [`SessionId`](/en/haskell/latest/reference/libtmux-id-t-sessionid/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Id.hs#L46))

- instance [Ord](https://hackage.haskell.org/package/base-4.22.0.0/docs/Data-Ord.html#t:Ord) [`SessionId`](/en/haskell/latest/reference/libtmux-id-t-sessionid/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Id.hs#L46))

- instance [Show](https://hackage.haskell.org/package/base-4.22.0.0/docs/Prelude.html#t:Show) [`SessionId`](/en/haskell/latest/reference/libtmux-id-t-sessionid/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Id.hs#L46))

## Referenced declarations

- [`LibTmux.Id.SessionId`](/en/haskell/latest/reference/libtmux-id-t-sessionid/) (data type)