---
title: Macros
framework: appkit
role: collectionGroup
role_heading: API Collection
path: appkit/macros
---

# Macros

Macros for use with multiple classes.

## Topics

### Macros

- [NSIMAGE_UNAVAILABLE_MACCATALYST](appkit/nsimage_unavailable_maccatalyst.md)
- [NS_USER_ACTIVITY_SUPPORTED](appkit/ns_user_activity_supported.md)
- [Preview(_:traits:body:)](appkit/preview(_:traits:body:)-55ljx.md)
- [Preview(_:traits:body:)](appkit/preview(_:traits:body:)-7pfjp.md)

## See Also

### Reference

- [Enumerations](appkit/enumerations.md)
- [Constants](appkit/constants.md)
- [Data Types](appkit/data-types.md)