---
title: SKIndexType
framework: Core Services
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: coreservices/skindextype
---

# SKIndexType

Specifies the category of an index.

## Declaration

```swift
struct SKIndexType
```

## Topics

### Constants

- [kSKIndexUnknown](coreservices/kskindexunknown.md)
- [kSKIndexInverted](coreservices/kskindexinverted.md)
- [kSKIndexVector](coreservices/kskindexvector.md)
- [kSKIndexInvertedVector](coreservices/kskindexinvertedvector.md)

### Initializers

- [init(_:)](coreservices/skindextype/1443295-init.md)
- [init(rawValue:)](coreservices/skindextype/1442314-init.md)

### Instance Properties

- [rawValue](coreservices/skindextype/1450496-rawvalue.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)