---
title: "subscript(dynamicMember:)"
framework: foundation
role: symbol
role_heading: Instance Subscript
path: "foundation/attributedstring/runs-swift.struct/run/subscript(dynamicmember:)-66vfm"
---

# subscript(dynamicMember:)

## Declaration

```swift
subscript<S>(dynamicMember keyPath: KeyPath<AttributeScopes, S.Type>) -> ScopedAttributeContainer<S> where S : AttributeScope { get }
```