# common.SessionId

- **Module:** common
- **Package:** @libtmux/libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/2cb93308200da38a26b59876618116850f110607/packages/libtmux/src/common.ts#L16
- **Page:** https://libtmux.org/reference/ts/common-sessionid/

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