path.transitions

Watches the network path directly. A reading each time the path changes — which interface, whether it’s satisfied, and why not when it isn’t.


Delivery	stream, onChange
Mechanism	osWatcher
Requires	iOS 17+, basset 0.1.1+

Real output from basset request get, captured while turning wifi off:

CAPTURED                  ELAPSED  INSTRUMENT

launch 7073800380036998786
2026-08-23T14:42:04.745Z  +0.0s    network.path.transitions(networkPath)
├─ interfaceKind         wifi
├─ pathSatisfied         true
├─ expensiveInterface    false
└─ constrainedInterface  false
2026-08-23T14:42:17.988Z  +13.2s   network.path.transitions(networkPath)
├─ interfaceKind         none
├─ pathSatisfied         false
├─ expensiveInterface    false
├─ constrainedInterface  false
└─ unsatisfiedReason     notAvailable

Getting Started

SDK

CLI

Instruments

Reference

path.transitions