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# NSTextLayoutSectionKey

Constants for the text layout sections document attribute key.

```
typedef NSString * NSTextLayoutSectionKey;
```

## Discussion

Use these constants as values for the [`NSTextLayoutSectionsAttribute`](/documentation/AppKit/NSTextLayoutSectionsAttribute) key in the document attributes dictionary.

## Topics

### Getting keys for text layouts

[`extern NSTextLayoutSectionKey NSTextLayoutSectionOrientation;`](/documentation/AppKit/NSTextLayoutSectionOrientation)

The orientation of the text.

[`extern NSTextLayoutSectionKey NSTextLayoutSectionRange;`](/documentation/AppKit/NSTextLayoutSectionRange)

The character range.


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