---
title: Document reading option keys
framework: uikit
role: collectionGroup
role_heading: API Collection
path: uikit/document-reading-option-keys
---

# Document reading option keys

Keys for constructing an attributed string from data on disk.

## Overview

Overview Use these keys when you need to specify a key of type NSAttributedStringDocumentReadingOptionKey.

## See Also

### Getting document-wide attributes

- [NSTextScalingType](uikit/nstextscalingtype.md)