---
title: AttributedStringAttributeMutation Implementations
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/attributedstring/attributedstringattributemutation-implementations
---

# AttributedStringAttributeMutation Implementations

## Topics

### Instance Methods

- [mergeAttributes(_:mergePolicy:)](foundation/attributedstring/mergeattributes(_:mergepolicy:).md)
- [replaceAttributes(_:with:)](foundation/attributedstring/replaceattributes(_:with:).md)
- [setAttributes(_:)](foundation/attributedstring/setattributes(_:).md)