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# Generic Keys

General-purpose keys that apply to multiple dictionaries in the persistent store.

## Topics

### Constants

[`let kSCPropInterfaceName: CFString`](/documentation/SystemConfiguration/kSCPropInterfaceName-swift.var)

The generic key `InterfaceName`, whose value is of type `CFString`.

[`let kSCPropMACAddress: CFString`](/documentation/SystemConfiguration/kSCPropMACAddress-swift.var)

The generic key `MACAddress`, whose value is of type `CFString`.

[`let kSCPropUserDefinedName: CFString`](/documentation/SystemConfiguration/kSCPropUserDefinedName-swift.var)

The generic key `UserDefinedName`, whose value is of type `CFString`.

[`let kSCPropVersion: CFString`](/documentation/SystemConfiguration/kSCPropVersion-swift.var)

The generic key `Version`, whose value is of type `CFString`.


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