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Contains opaque XML that represents custom, extension-specific information that is simply stored and not read by the operating system. The information is only read by the host app.
Element hierarchy
<uap3:Properties>
Syntax
<uap3:Properties>
xsd:any
</uap3:Properties>
Attributes and elements
Attributes
None.
Child elements
| Child element | Description |
|---|---|
| custom | Custom extension-specific information in the form of opaque XML that is simply stored and not read by the operating system. The information is only read by the host app. |
Parent elements
| Parent element | Description |
|---|---|
| uap3:AppExtension | Declares an app extensibility point of type windows.appExtension. |
Examples
The following example indicates that the app hosts or consumes a high-performance browser extension
<Package ...
xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3"
IgnorableNamespaces="uap3">
<Applications>
<Application>
<Extensions>
<uap3:Extension
Category="windows.appExtension">
<uap3:AppExtension
Name="com.microsoft.browser.ext"
Id="Extension.High.Performance"
PublicFolder="public\highperf"
DisplayName="High Performance Extension">
<uap3:Properties>
<!-- The content of this element is custom. -->
<animals>Chickens</animals>
<animals>
<young>Kittens</young>
</animals>
</uap3:Properties>
</uap3:AppExtension>
</uap3:Extension>
</Extensions>
</Application>
</Applications>
</Package>
Requirements
| Item | Value |
|---|---|
| Namespace | http://schemas.microsoft.com/appx/manifest/uap/windows10/3 |
| Minimum OS Version | Windows 10 version 1607 (Build 14393) |