---
title: LowLevelMeshInstance.SortCategory
framework: realitykit
role: symbol
role_heading: Enumeration
path: realitykit/lowlevelmeshinstance/sortcategory-swift.enum
---

# LowLevelMeshInstance.SortCategory

The sort category of this mesh instance.

## Declaration

```swift
enum SortCategory
```

## Topics

### Identifying sort categories

- [LowLevelMeshInstance.SortCategory.opaque](realitykit/lowlevelmeshinstance/sortcategory-swift.enum/opaque.md)
- [LowLevelMeshInstance.SortCategory.transparent](realitykit/lowlevelmeshinstance/sortcategory-swift.enum/transparent.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Sorting instances

- [sortCategory](realitykit/lowlevelmeshinstance/sortcategory-swift.property.md)