# SubscriptionChange.windowID

- **Module:** SubscriptionChange
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-swift/blob/f02a4668570e1cc5198c941413750e021f42c214/Sources/LibTmux/Watch.swift#L62
- **Page:** https://libtmux.org/reference/swift/subscriptionchange-windowid/

Absent when the subscription's scope is a session.