---
title: Attributed String Supporting Types
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/attributed-string-supporting-types
---

# Attributed String Supporting Types

Types that the attributed string, attributed substring, and helper types extend or conform to, for sharing common functionality.

## Topics

### Shared Attributed String Functionality

- [AttributedStringProtocol](foundation/attributedstringprotocol.md)

### Defining Attribute Scopes

- [AttributeScope](foundation/attributescope.md)

## See Also

### Strings with Metadata

- [AttributedString](foundation/attributedstring.md)
- [AttributedSubstring](foundation/attributedsubstring.md)
- [NSAttributedString](foundation/nsattributedstring.md)
- [NSMutableAttributedString](foundation/nsmutableattributedstring.md)