---
title: kSKSubstitutions
framework: Core Services
role: symbol
role_heading: Global Variable
platforms: [macOS 10.3+]
path: coreservices/ksksubstitutions
---

# kSKSubstitutions

A dictionary of term substitutions—terms that differ in their character strings but that match during a search. Specified as a CFDictionary object.

## Declaration

```swift
let kSKSubstitutions: CFString!
```