---
title: mode
framework: musicunderstanding
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: musicunderstanding/keyresult/keysignature/mode
---

# mode

The mode of the musical key.

## Declaration

```swift
let mode: KeyResult.Mode
```