---
title: AttributedTextFormatting.AttributeContainerProxy
framework: swiftui
role: symbol
role_heading: Structure
path: swiftui/attributedtextformatting/attributecontainerproxy
---

# AttributedTextFormatting.AttributeContainerProxy

A proxy for a partially validated set of attributes.

## Declaration

```swift
@dynamicMemberLookup struct AttributeContainerProxy<Scope, Attribute> where Scope : AttributeScope, Attribute : AttributedStringKey, Attribute.Value : Sendable
```

## Overview

Overview Exposes Attribute as read-write and all other attributes as read-only. The type automatically queries the underlying AttributedTextFormattingDefinition to constrain values that are accessed.

## Topics

### Structures

- [AttributedTextFormatting.AttributeContainerProxy.Scoped](swiftui/attributedtextformatting/attributecontainerproxy/scoped.md)

### Subscripts

- [subscript(_:)](swiftui/attributedtextformatting/attributecontainerproxy/subscript(_:).md)
- [subscript(dynamicMember:)](swiftui/attributedtextformatting/attributecontainerproxy/subscript(dynamicmember:).md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)