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  "title" : "Property Keys"
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# Property Keys

Keys for calls to property get/set functions such as <doc://com.apple.documentation/documentation/CoreFoundation/CFReadStreamSetProperty(_:_:_:)> and <doc://com.apple.documentation/documentation/CoreFoundation/CFReadStreamCopyProperty(_:_:)>.

## Topics

### Constants

[`let kCFProxyAutoConfigurationHTTPResponseKey: CFString`](/documentation/CFNetwork/kCFProxyAutoConfigurationHTTPResponseKey)

[`let kCFProxyAutoConfigurationJavaScriptKey: CFString`](/documentation/CFNetwork/kCFProxyAutoConfigurationJavaScriptKey)

[`let kCFProxyAutoConfigurationURLKey: CFString`](/documentation/CFNetwork/kCFProxyAutoConfigurationURLKey)

[`let kCFProxyHostNameKey: CFString`](/documentation/CFNetwork/kCFProxyHostNameKey)

[`let kCFProxyPasswordKey: CFString`](/documentation/CFNetwork/kCFProxyPasswordKey)

[`let kCFProxyPortNumberKey: CFString`](/documentation/CFNetwork/kCFProxyPortNumberKey)

[`let kCFProxyTypeKey: CFString`](/documentation/CFNetwork/kCFProxyTypeKey)

[`let kCFProxyUsernameKey: CFString`](/documentation/CFNetwork/kCFProxyUsernameKey)


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