Set SMS declarations
SMS device capability declaration in package manifest
A UWP app that uses SMS must declare SMS capability in its package manifest in Visual Studio.
<Capabilities> <DeviceCapability Name="sms" /> </Capabilities>
For more information, see App capability declarations (UWP apps).
SMS app declaration in device metadata
The mobile broadband device can determine which apps it trusts to send and receive SMS messages. To do so, it adds the package name that it trusts in the Service metadata, as shown in the following entry:
<PrivilegedApplications> <Package> <Identity Name="Microsoft.SDKSamples.SMSSendReceive.JS" Version="188.8.131.52" Publisher="CN=Contoso Corporation, O=Contoso Corporation, L=Redmond, S=Washington, C=US" /> </Package>