Skip to main content

Apple Developer Docs

MetricKit / AppLaunchDiagnostic / callStackTree

callStackTree

The application call stack tree associated with the launch issue.

Declaration

let callStackTree: CallStackTree

Open on developer.apple.com

MetricKitInstance Property

iOS 27.0+iPadOS 27.0+Mac Catalyst 27.0+macOS 27.0+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation