---
title: kCFPlugInTypesKey
framework: corefoundation
role: symbol
role_heading: Global Variable
path: corefoundation/kcfplugintypeskey
---

# kCFPlugInTypesKey

Used to statically register the factories that can create each supported type.

## Declaration

```swift
let kCFPlugInTypesKey: CFString!
```

## See Also

### Constants

- [kCFPlugInDynamicRegistrationKey](corefoundation/kcfplugindynamicregistrationkey.md)
- [kCFPlugInDynamicRegisterFunctionKey](corefoundation/kcfplugindynamicregisterfunctionkey.md)
- [kCFPlugInUnloadFunctionKey](corefoundation/kcfpluginunloadfunctionkey.md)
- [kCFPlugInFactoriesKey](corefoundation/kcfpluginfactorieskey.md)