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  "title" : "Information Property List Keys"
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# Information Property List Keys

A plug-in’s information property list can contain these keys used for registering types, factories, and interfaces.

## Topics

### Constants

[`let kCFPlugInDynamicRegistrationKey: CFString!`](/documentation/CoreFoundation/kCFPlugInDynamicRegistrationKey)

Indicates whether a plug-in requires dynamic registration.

[`let kCFPlugInDynamicRegisterFunctionKey: CFString!`](/documentation/CoreFoundation/kCFPlugInDynamicRegisterFunctionKey)

Used to specify a plug-in’s registration function.

[`let kCFPlugInUnloadFunctionKey: CFString!`](/documentation/CoreFoundation/kCFPlugInUnloadFunctionKey)

Used to specify a plug-in’s unload function.

[`let kCFPlugInFactoriesKey: CFString!`](/documentation/CoreFoundation/kCFPlugInFactoriesKey)

Used to statically register factory functions.

[`let kCFPlugInTypesKey: CFString!`](/documentation/CoreFoundation/kCFPlugInTypesKey)

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


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