# Client.sessionID

- **Module:** Client
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-swift/blob/254f8b2be7eb60cacc3ffcb3ea8e456784f582df/Sources/LibTmux/Client.swift#L31
- **Page:** https://libtmux.org/en/swift/latest/reference/client-sessionid/

The session the client is looking at. A client attaches to exactly one, and switching sessions changes this rather than making a new client.