# common.SessionId

- **Module:** common
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/46cccfef2a546de55ce8b308249b8c76339089a0/packages/libtmux/src/common.ts#L23
- **Page:** https://libtmux.org/en/ts/latest/reference/common-sessionid/

```ts
type SessionId = TmuxId<"session">
```

A session ID in tmux's `$n` form.