Registration of a protocol association is achieved using your app’s WMAppManifest.xml file. To edit the WMAppManifest.xml file, in the Visual Studio Solution Explorer, right-click the WMAppManifest.xml file and then select View Code.
A protocol association is declared using a Protocol element, as shown in the following excerpt:
<Extensions> <Protocol Name="unleashed" NavUriFragment="encodedLaunchUri=%s" TaskID="_default" /></Extensions>
Protocol element includes the following three mandatory elements:
Name—The prefix in your custom URI scheme. The value of Name ...