---
title: "InvokeIndexToUCStringUPP(_:_:_:_:_:_:)"
framework: coreservices
role: symbol
role_heading: Function
path: coreservices/1390660-invokeindextoucstringupp
---

# InvokeIndexToUCStringUPP(_:_:_:_:_:_:)

## Declaration

```swift
func InvokeIndexToUCStringUPP(_ index: UInt32, _ listDataPtr: UnsafeMutableRawPointer!, _ refcon: UnsafeMutableRawPointer!, _ outString: UnsafeMutablePointer<Unmanaged<CFString>?>!, _ tsOptions: UnsafeMutablePointer<UCTypeSelectOptions>!, _ userUPP: IndexToUCStringUPP!) -> Bool
```