What does the following .plist file do?

Please, can someone tell me what the following .plist file does? Thank in advanced!

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0">

<dict>

<key>AutoConfigureVettedAddresses</key>

<true/>

<key>DisplayName</key>

<string>PhoneAuth</string>

<key>Identifier</key>

<string>com.apple.private.alloy.phone.auth</string>

<key>ProtocolName</key>

<string>com.apple.private.alloy</string>

<key>PushTopic</key>

<string>com.apple.private.alloy.phone.auth</string>

<key>ServiceName</key>

<string>com.apple.private.alloy.phone.auth</string>

<key>iCloudService</key>

<true/>

<key>AdHocServiceType</key>

<integer>1</integer>

<key>LaunchMachServiceNotification</key>

<string>com.apple.private.alloy.phone.auth-idswake</string>

<key>DataProtectionClass</key>

<string>D</string>

</dict>

</plist>