<uap2:Extension
Category = 'A string that can have one of the following values: "windows.webAccountProvider".'
Executable = 'A string with an optional value between 1 and 256 characters in length, that must end with ".exe", and cannot contain the following characters: <, >, :, ", |, ?, or *. Specifies the default executable for the extension. If not specified, the executable defined for the app is used. If specified, the EntryPoint property is also used. If the EntryPoint property is not specified, the EntryPoint defined for the app is used.'
EntryPoint = 'A string with an optional value between 1 and 256 characters in length. Represents the task handling the extension (normally the fully namespace-qualified name of a Windows Runtime type). If EntryPoint is not specified, the EntryPoint defined for the app is used instead.'
RuntimeType = 'A string with an optional value between 1 and 255 characters in length that cannot start or end with a period or contain these characters: <, >, :, ", /, \, |, ?, or *.'
StartPage = 'A string with an optional value between 1 and 256 characters in length that cannot contain these characters: <, >, :, ", |, ?, or *.'
ResourceGroup = 'An alphanumeric string with an optional value between 1 and 255 characters in length. Must begin with a letter.'
uap10:TrustLevel = 'An optional string value. If specified, it must be either "appContainer" or "mediumIL".'
uap10:RuntimeBehavior = 'An optional string value. If specified, it must be one of the following values: "windowsApp", "packagedClassicApp", or "win32App".'
uap10:HostId = 'An alphanumeric string with an optional value between 1 and 255 characters in length. Must begin with an letter.'
uap10:Parameters = 'A string with an optional value between 1 and 32767 characters in length with a non-whitespace character at its beginning and end.'
uap11:Id = 'An optional string with a value between 1 and 255 characters in length with a non-whitespace character at its beginning and end.'
uap11:Subsystem = 'An optional string that can have one of the following values: "console" or "windows".'
uap11:SupportsMultipleInstances = 'An optional boolean value.'
uap11:ResourceGroup = 'An optional alphanumeric string with a value between 1 and 255 characters in length. Must begin with a letter.'
uap11:CurrentDirectoryPath = 'An optional string that cannot contain these characters: <, >, |, ?, or *. >'
uap11:Parameters = 'An optional string with a value between 1 and 32767 characters in length with a non-whitespace character at its beginning and end.'
desktop7:CompatMode = 'An optional string the can have one of the following values: "classic" or "modern".'
desktop7:Scope = 'An optional string that can have one of the following values: "machine" or "user".'
>
<!-- Child Elements -->
uap2:webAccountProvider?
</uap2:Extension>