---
title: "subscript(_:)"
framework: foundation
role: symbol
role_heading: Instance Subscript
path: "foundation/attributedstring/runs-swift.struct/subscript(_:)-6aptr"
---

# subscript(_:)

## Declaration

```swift
@preconcurrency subscript<T>(keyPath: KeyPath<AttributeDynamicLookup, T>) -> AttributedString.Runs.AttributesSlice1<T> where T : AttributedStringKey, T.Value : Sendable { get }
```